Subtract 21/56 from 70/9
1st number: 7 7/9, 2nd number: 21/56
70/9 - 21/56 is 533/72.
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,
70/9 = 70 × 56/9 × 56 = 3920/504 - Likewise, for the 2nd fraction, since 56 × 9 = 504,
21/56 = 21 × 9/56 × 9 = 189/504 - Subtract the two like fractions:
3920/504 - 189/504 = 3920 - 189/504 = 3731/504 - After reducing the fraction, the answer is 533/72
- In mixed form: 729/72
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