Answers

Subtract 56/40 from 42/48

1^st number: 42/48, 2^nd number: 1 16/40

42/48 - 56/40 is -21/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 40 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 48 × 5 = 240,
   42/48 = 42 × 5/48 × 5 = 210/240
3. Likewise, for the 2nd fraction, since 40 × 6 = 240,
   56/40 = 56 × 6/40 × 6 = 336/240
4. Subtract the two like fractions:
   210/240 - 336/240 = 210 - 336/240 = -126/240
5. After reducing the fraction, the answer is -21/40

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