Subtract 98/63 from 21/35
1st number: 21/35, 2nd number: 1 35/63
21/35 - 98/63 is -43/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 35 × 9 = 315,
21/35 = 21 × 9/35 × 9 = 189/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
98/63 = 98 × 5/63 × 5 = 490/315 - Subtract the two like fractions:
189/315 - 490/315 = 189 - 490/315 = -301/315 - After reducing the fraction, the answer is -43/45
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