Subtract 45/56 from 21/9
1st number: 2 3/9, 2nd number: 45/56
21/9 - 45/56 is 257/168.
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,
45/56 = 45 × 9/56 × 9 = 405/504 - Subtract the two like fractions:
1176/504 - 405/504 = 1176 - 405/504 = 771/504 - After reducing the fraction, the answer is 257/168
- In mixed form: 189/168
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