Subtract 3/63 from 42/35
1st number: 1 7/35, 2nd number: 3/63
42/35 - 3/63 is 121/105.
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,
42/35 = 42 × 9/35 × 9 = 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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