Answers

Subtract 15/90 from 98/56

1^st number: 1 42/56, 2^nd number: 15/90

98/56 - 15/90 is 19/12.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 90 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 56 × 45 = 2520,
   98/56 = 98 × 45/56 × 45 = 4410/2520
3. Likewise, for the 2nd fraction, since 90 × 28 = 2520,
   15/90 = 15 × 28/90 × 28 = 420/2520
4. Subtract the two like fractions:
   4410/2520 - 420/2520 = 4410 - 420/2520 = 3990/2520
5. After reducing the fraction, the answer is 19/12
6. In mixed form: 17/12

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