Subtract 84/63 from 42/8
1st number: 5 2/8, 2nd number: 1 21/63
42/8 - 84/63 is 47/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 8 × 63 = 504,
42/8 = 42 × 63/8 × 63 = 2646/504 - Likewise, for the 2nd fraction, since 63 × 8 = 504,
84/63 = 84 × 8/63 × 8 = 672/504 - Subtract the two like fractions:
2646/504 - 672/504 = 2646 - 672/504 = 1974/504 - After reducing the fraction, the answer is 47/12
- In mixed form: 311/12
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