Subtract 3/63 from 54/45
1st number: 1 9/45, 2nd number: 3/63
54/45 - 3/63 is 121/105.
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,
54/45 = 54 × 7/45 × 7 = 378/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
3/63 = 3 × 5/63 × 5 = 15/315 - Subtract the two like fractions:
378/315 - 15/315 = 378 - 15/315 = 363/315 - After reducing the fraction, the answer is 121/105
- In mixed form: 116/105
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