Answers

Subtract 75/70 from 56/20

1^st number: 2 16/20, 2^nd number: 1 5/70

56/20 - 75/70 is 121/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   56/20 = 56 × 7/20 × 7 = 392/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   75/70 = 75 × 2/70 × 2 = 150/140
4. Subtract the two like fractions:
   392/140 - 150/140 = 392 - 150/140 = 242/140
5. After reducing the fraction, the answer is 121/70
6. In mixed form: 151/70

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