Subtract 42/10 from 12/63
1st number: 12/63, 2nd number: 4 2/10
12/63 - 42/10 is -421/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 10 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
12/63 = 12 × 10/63 × 10 = 120/630 - Likewise, for the 2nd fraction, since 10 × 63 = 630,
42/10 = 42 × 63/10 × 63 = 2646/630 - Subtract the two like fractions:
120/630 - 2646/630 = 120 - 2646/630 = -2526/630 - After reducing the fraction, the answer is -421/105
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