Subtract 1/56 from 84/63
1st number: 1 21/63, 2nd number: 1/56
84/63 - 1/56 is 221/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 63 × 8 = 504,
84/63 = 84 × 8/63 × 8 = 672/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
1/56 = 1 × 9/56 × 9 = 9/504 - Subtract the two like fractions:
672/504 - 9/504 = 672 - 9/504 = 663/504 - After reducing the fraction, the answer is 221/168
- In mixed form: 153/168
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