Subtract 18/63 from 42/10
1st number: 4 2/10, 2nd number: 18/63
42/10 - 18/63 is 137/35.
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,
42/10 = 42 × 63/10 × 63 = 2646/630 - Likewise, for the 2nd fraction, since 63 × 10 = 630,
18/63 = 18 × 10/63 × 10 = 180/630 - Subtract the two like fractions:
2646/630 - 180/630 = 2646 - 180/630 = 2466/630 - After reducing the fraction, the answer is 137/35
- In mixed form: 332/35
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