Answers

Subtract 15/70 from 70/40

1^st number: 1 30/40, 2^nd number: 15/70

70/40 - 15/70 is 43/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   70/40 = 70 × 7/40 × 7 = 490/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   15/70 = 15 × 4/70 × 4 = 60/280
4. Subtract the two like fractions:
   490/280 - 60/280 = 490 - 60/280 = 430/280
5. After reducing the fraction, the answer is 43/28
6. In mixed form: 115/28

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