Subtract 50/63 from 16/72
16/72 - 50/63 is -4/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
16/72 = 16 × 7/72 × 7 = 112/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
50/63 = 50 × 8/63 × 8 = 400/504 - Subtract the two like fractions:
112/504 - 400/504 = 112 - 400/504 = -288/504 - After reducing the fraction, the answer is -4/7
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