Subtract 21/72 from 72/98
72/98 - 21/72 is 521/1176.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 98 and 72 is 3528
Next, find the equivalent fraction of both fractional numbers with denominator 3528 - For the 1st fraction, since 98 × 36 = 3528,
72/98 = 72 × 36/98 × 36 = 2592/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
21/72 = 21 × 49/72 × 49 = 1029/3528 - Subtract the two like fractions:
2592/3528 - 1029/3528 = 2592 - 1029/3528 = 1563/3528 - After reducing the fraction, the answer is 521/1176
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