Subtract 15/63 from 40/7
1st number: 5 5/7, 2nd number: 15/63
40/7 - 15/63 is 115/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 7 × 9 = 63,
40/7 = 40 × 9/7 × 9 = 360/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
15/63 = 15 × 1/63 × 1 = 15/63 - Subtract the two like fractions:
360/63 - 15/63 = 360 - 15/63 = 345/63 - After reducing the fraction, the answer is 115/21
- In mixed form: 510/21
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