Answers

Subtract 56/35 from 90/28

1^st number: 3 6/28, 2^nd number: 1 21/35

90/28 - 56/35 is 113/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 35 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 28 × 5 = 140,
   90/28 = 90 × 5/28 × 5 = 450/140
3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
   56/35 = 56 × 4/35 × 4 = 224/140
4. Subtract the two like fractions:
   450/140 - 224/140 = 450 - 224/140 = 226/140
5. After reducing the fraction, the answer is 113/70
6. In mixed form: 143/70

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