Subtract 15/63 from 42/5
1st number: 8 2/5, 2nd number: 15/63
42/5 - 15/63 is 857/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 5 × 63 = 315,
42/5 = 42 × 63/5 × 63 = 2646/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
15/63 = 15 × 5/63 × 5 = 75/315 - Subtract the two like fractions:
2646/315 - 75/315 = 2646 - 75/315 = 2571/315 - After reducing the fraction, the answer is 857/105
- In mixed form: 817/105
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