Subtract 45/56 from 20/15
1st number: 1 5/15, 2nd number: 45/56
20/15 - 45/56 is 89/168.
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,
20/15 = 20 × 56/15 × 56 = 1120/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
45/56 = 45 × 15/56 × 15 = 675/840 - Subtract the two like fractions:
1120/840 - 675/840 = 1120 - 675/840 = 445/840 - After reducing the fraction, the answer is 89/168
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