Subtract 56/42 from 70/75
1st number: 70/75, 2nd number: 1 14/42
70/75 - 56/42 is -2/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 42 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 75 × 14 = 1050,
70/75 = 70 × 14/75 × 14 = 980/1050 - Likewise, for the 2nd fraction, since 42 × 25 = 1050,
56/42 = 56 × 25/42 × 25 = 1400/1050 - Subtract the two like fractions:
980/1050 - 1400/1050 = 980 - 1400/1050 = -420/1050 - After reducing the fraction, the answer is -2/5
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