Subtract 5/15 from 45/56
45/56 - 5/15 is 79/168.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
45/56 = 45 × 15/56 × 15 = 675/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
5/15 = 5 × 56/15 × 56 = 280/840 - Subtract the two like fractions:
675/840 - 280/840 = 675 - 280/840 = 395/840 - After reducing the fraction, the answer is 79/168
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