Subtract 75/72 from 70/75
1st number: 70/75, 2nd number: 1 3/72
70/75 - 75/72 is -13/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 75 × 24 = 1800,
70/75 = 70 × 24/75 × 24 = 1680/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
75/72 = 75 × 25/72 × 25 = 1875/1800 - Subtract the two like fractions:
1680/1800 - 1875/1800 = 1680 - 1875/1800 = -195/1800 - After reducing the fraction, the answer is -13/120
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