Subtract 30/63 from 72/45
1st number: 1 27/45, 2nd number: 30/63
72/45 - 30/63 is 118/105.
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,
72/45 = 72 × 7/45 × 7 = 504/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
30/63 = 30 × 5/63 × 5 = 150/315 - Subtract the two like fractions:
504/315 - 150/315 = 504 - 150/315 = 354/315 - After reducing the fraction, the answer is 118/105
- In mixed form: 113/105
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