Subtract 98/63 from 30/45
1st number: 30/45, 2nd number: 1 35/63
30/45 - 98/63 is -8/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
30/45 = 30 × 7/45 × 7 = 210/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
98/63 = 98 × 5/63 × 5 = 490/315 - Subtract the two like fractions:
210/315 - 490/315 = 210 - 490/315 = -280/315 - After reducing the fraction, the answer is -8/9
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