Subtract 81/72 from 98/42
1st number: 2 14/42, 2nd number: 1 9/72
98/42 - 81/72 is 29/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 42 × 12 = 504,
98/42 = 98 × 12/42 × 12 = 1176/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
81/72 = 81 × 7/72 × 7 = 567/504 - Subtract the two like fractions:
1176/504 - 567/504 = 1176 - 567/504 = 609/504 - After reducing the fraction, the answer is 29/24
- In mixed form: 15/24
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