Answers

Subtract 49/30 from 42/28

1^st number: 1 14/28, 2^nd number: 1 19/30

42/28 - 49/30 is -2/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 30 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 28 × 15 = 420,
   42/28 = 42 × 15/28 × 15 = 630/420
3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
   49/30 = 49 × 14/30 × 14 = 686/420
4. Subtract the two like fractions:
   630/420 - 686/420 = 630 - 686/420 = -56/420
5. After reducing the fraction, the answer is -2/15

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