Subtract 21/81 from 98/63
1st number: 1 35/63, 2nd number: 21/81
98/63 - 21/81 is 35/27.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 81 is 567
Next, find the equivalent fraction of both fractional numbers with denominator 567 - For the 1st fraction, since 63 × 9 = 567,
98/63 = 98 × 9/63 × 9 = 882/567 - Likewise, for the 2nd fraction, since 81 × 7 = 567,
21/81 = 21 × 7/81 × 7 = 147/567 - Subtract the two like fractions:
882/567 - 147/567 = 882 - 147/567 = 735/567 - After reducing the fraction, the answer is 35/27
- In mixed form: 18/27
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