Page 40 - MarceAlgebra Demystified

CHAPTER 1 Fractions 27

2 1 2 1 2 1
ð
4 þ 3 ¼ 4 þ þ 3 þ ¼ 4 þ 3Þ þ þ
3 2 3 2 3 2
4 3 7 1 1

¼ 7 þ þ ¼ 7 þ ¼ 7 þ 1 þ ¼ 8
6 6 6 6 6
The other way is to convert the mixed numbers into improper fractions then
add.
14 7 28 21 49
2 1 1
4 þ 3 ¼ þ ¼ þ ¼ ¼ 8
3 2 3 2 6 6 6 6
Practice

3
1: 2 þ 1 1
7 2
2: 2 5 þ 1 11
16 12
5
3: 4 þ 1 2
6 3
4
4: 3 1 1
9 6
3 5
5: 2 þ
4 6
2
6: 4 þ 2 1
3 5
7: 5 1 3 3
12 8

Solutions

17 3 34 21 55
3 1 13
1: 2 þ 1 ¼ þ ¼ þ ¼ ¼ 3
7 2 7 2 14 14 14 14
37 23 111 92 203
2: 2 5 þ 1 11 ¼ þ ¼ þ ¼ ¼ 4 11
16 12 16 12 48 48 48 48
29 5 29 10 39 13
5 2 1
3: 4 þ 1 ¼ þ ¼ þ ¼ ¼ ¼ 6
6 3 6 3 6 6 6 2 2
31 7 62 21 41
4 1 5
4: 3 1 ¼ ¼ ¼ ¼ 2
9 6 9 6 18 18 18 18
11 5 33 10 43
3 5 7
5: 2 þ ¼ þ ¼ þ ¼ ¼ 3
4 6 4 6 12 12 12 12