Subtract 20/35 from 25/72
25/72 - 20/35 is -113/504.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 35 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
25/72 = 25 × 35/72 × 35 = 875/2520 - Likewise, for the 2nd fraction, since 35 × 72 = 2520,
20/35 = 20 × 72/35 × 72 = 1440/2520 - Subtract the two like fractions:
875/2520 - 1440/2520 = 875 - 1440/2520 = -565/2520 - After reducing the fraction, the answer is -113/504
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