Answers

Subtract 72/70 from 15/16

1^st number: 15/16, 2^nd number: 1 2/70

15/16 - 72/70 is -51/560.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 70 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 16 × 35 = 560,
   15/16 = 15 × 35/16 × 35 = 525/560
3. Likewise, for the 2nd fraction, since 70 × 8 = 560,
   72/70 = 72 × 8/70 × 8 = 576/560
4. Subtract the two like fractions:
   525/560 - 576/560 = 525 - 576/560 = -51/560

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