Answers

Subtract 63/42 from 7/60

1^st number: 7/60, 2^nd number: 1 21/42

7/60 - 63/42 is -83/60.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 42 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 60 × 7 = 420,
   7/60 = 7 × 7/60 × 7 = 49/420
3. Likewise, for the 2nd fraction, since 42 × 10 = 420,
   63/42 = 63 × 10/42 × 10 = 630/420
4. Subtract the two like fractions:
   49/420 - 630/420 = 49 - 630/420 = -581/420
5. After reducing the fraction, the answer is -83/60

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