Subtract 7/56 from 54/15
1st number: 3 9/15, 2nd number: 7/56
54/15 - 7/56 is 139/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
54/15 = 54 × 56/15 × 56 = 3024/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
7/56 = 7 × 15/56 × 15 = 105/840 - Subtract the two like fractions:
3024/840 - 105/840 = 3024 - 105/840 = 2919/840 - After reducing the fraction, the answer is 139/40
- In mixed form: 319/40
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