Subtract 20/49 from 35/72
35/72 - 20/49 is 275/3528.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 49 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 72 × 49 = 3528,
35/72 = 35 × 49/72 × 49 = 1715/3528 - Likewise, for the 2nd fraction, since 49 × 72 = 3528,
20/49 = 20 × 72/49 × 72 = 1440/3528 - Subtract the two like fractions:
1715/3528 - 1440/3528 = 1715 - 1440/3528 = 275/3528
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