Subtract 42/63 from 18/10
1st number: 1 8/10, 2nd number: 42/63
18/10 - 42/63 is 17/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 63 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 10 × 63 = 630,
18/10 = 18 × 63/10 × 63 = 1134/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
42/63 = 42 × 10/63 × 10 = 420/630 - Subtract the two like fractions:
1134/630 - 420/630 = 1134 - 420/630 = 714/630 - After reducing the fraction, the answer is 17/15
- In mixed form: 12/15
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