Answers

Subtract 42/28 from 35/20

1^st number: 1 15/20, 2^nd number: 1 14/28

35/20 - 42/28 is 1/4.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 28 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 20 × 7 = 140,
   35/20 = 35 × 7/20 × 7 = 245/140
3. Likewise, for the 2nd fraction, since 28 × 5 = 140,
   42/28 = 42 × 5/28 × 5 = 210/140
4. Subtract the two like fractions:
   245/140 - 210/140 = 245 - 210/140 = 35/140
5. After reducing the fraction, the answer is 1/4

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