Answers

Subtract 15/40 from 70/28

1^st number: 2 14/28, 2^nd number: 15/40

70/28 - 15/40 is 17/8.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 28 × 10 = 280,
   70/28 = 70 × 10/28 × 10 = 700/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   15/40 = 15 × 7/40 × 7 = 105/280
4. Subtract the two like fractions:
   700/280 - 105/280 = 700 - 105/280 = 595/280
5. After reducing the fraction, the answer is 17/8
6. In mixed form: 21/8

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