Subtract 98/72 from 20/28
1st number: 20/28, 2nd number: 1 26/72
20/28 - 98/72 is -163/252.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
20/28 = 20 × 18/28 × 18 = 360/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
98/72 = 98 × 7/72 × 7 = 686/504 - Subtract the two like fractions:
360/504 - 686/504 = 360 - 686/504 = -326/504 - After reducing the fraction, the answer is -163/252
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