Subtract 42/40 from 70/75
1st number: 70/75, 2nd number: 1 2/40
70/75 - 42/40 is -7/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 40 is 600
Next, find the equivalent fraction of both fractional numbers with denominator 600 - For the 1st fraction, since 75 × 8 = 600,
70/75 = 70 × 8/75 × 8 = 560/600 - Likewise, for the 2nd fraction, since 40 × 15 = 600,
42/40 = 42 × 15/40 × 15 = 630/600 - Subtract the two like fractions:
560/600 - 630/600 = 560 - 630/600 = -70/600 - After reducing the fraction, the answer is -7/60
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