Subtract 1/72 from 18/49
18/49 - 1/72 is 1247/3528.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 49 × 72 = 3528,
18/49 = 18 × 72/49 × 72 = 1296/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
1/72 = 1 × 49/72 × 49 = 49/3528 - Subtract the two like fractions:
1296/3528 - 49/3528 = 1296 - 49/3528 = 1247/3528
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