Answers

Subtract 36/70 from 21/15

1^st number: 1 6/15, 2^nd number: 36/70

21/15 - 36/70 is 31/35.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 15 × 14 = 210,
   21/15 = 21 × 14/15 × 14 = 294/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   36/70 = 36 × 3/70 × 3 = 108/210
4. Subtract the two like fractions:
   294/210 - 108/210 = 294 - 108/210 = 186/210
5. After reducing the fraction, the answer is 31/35

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