Answers

Subtract 18/70 from 90/56

1^st number: 1 34/56, 2^nd number: 18/70

90/56 - 18/70 is 27/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   90/56 = 90 × 5/56 × 5 = 450/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   18/70 = 18 × 4/70 × 4 = 72/280
4. Subtract the two like fractions:
   450/280 - 72/280 = 450 - 72/280 = 378/280
5. After reducing the fraction, the answer is 27/20
6. In mixed form: 17/20

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