Page 23 - MarceAlgebra Demystified
P. 23
10 CHAPTER 1 Fractions
Practice
600
1: ¼
1280
68
2: ¼
578
168
3: ¼
216
72
4: ¼
120
768
5: ¼
288
Solutions
600 10 60 60 4 15 15
1: ¼ ¼ ¼ ¼
1280 10 128 128 4 32 32
68 2 34 34 17 2 2
2: ¼ ¼ ¼ ¼
578 2 289 289 17 17 17
168 6 28 28 4 7 7
3: ¼ ¼ ¼ ¼
216 6 36 36 4 9 9
72 12 6 6 2 3 3
4: ¼ ¼ ¼ ¼
120 12 10 10 2 5 5
768 4 192 192 2 96 96 4 24 24 3 8 8
5: ¼ ¼ ¼ ¼ ¼ ¼ ¼ ¼
288 4 72 72 2 36 36 4 9 9 3 3 3
For the rest of the book, reduce fractions to their lowest terms.
Adding and Subtracting Fractions
When adding (or subtracting) fractions with the same denominators, add (or
subtract) their numerators.
