Subtract 96/72 from 21/98
1st number: 21/98, 2nd number: 1 24/72
21/98 - 96/72 is -47/42.
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,
21/98 = 21 × 36/98 × 36 = 756/3528 - Likewise, for the 2nd fraction, since 72 × 49 = 3528,
96/72 = 96 × 49/72 × 49 = 4704/3528 - Subtract the two like fractions:
756/3528 - 4704/3528 = 756 - 4704/3528 = -3948/3528 - After reducing the fraction, the answer is -47/42
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