Subtract 15/21 from 98/72
1st number: 1 26/72, 2nd number: 15/21
98/72 - 15/21 is 163/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 21 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
98/72 = 98 × 7/72 × 7 = 686/504 - Likewise, for the 2nd fraction, since 21 × 24 = 504,
15/21 = 15 × 24/21 × 24 = 360/504 - Subtract the two like fractions:
686/504 - 360/504 = 686 - 360/504 = 326/504 - After reducing the fraction, the answer is 163/252
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