Subtract 25/8 from 24/42
1st number: 24/42, 2nd number: 3 1/8
24/42 - 25/8 is -143/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 8 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
24/42 = 24 × 4/42 × 4 = 96/168 - Likewise, for the 2nd fraction, since 8 × 21 = 168,
25/8 = 25 × 21/8 × 21 = 525/168 - Subtract the two like fractions:
96/168 - 525/168 = 96 - 525/168 = -429/168 - After reducing the fraction, the answer is -143/56
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