Subtract 1/56 from 21/9
1st number: 2 3/9, 2nd number: 1/56
21/9 - 1/56 is 389/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 56 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 9 × 56 = 504,
21/9 = 21 × 56/9 × 56 = 1176/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
1/56 = 1 × 9/56 × 9 = 9/504 - Subtract the two like fractions:
1176/504 - 9/504 = 1176 - 9/504 = 1167/504 - After reducing the fraction, the answer is 389/168
- In mixed form: 253/168
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