Subtract 8/50 from 7/72
7/72 - 8/50 is -113/1800.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 50 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
7/72 = 7 × 25/72 × 25 = 175/1800 - Likewise, for the 2nd fraction, since 50 × 36 = 1800,
8/50 = 8 × 36/50 × 36 = 288/1800 - Subtract the two like fractions:
175/1800 - 288/1800 = 175 - 288/1800 = -113/1800
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