Subtract 15/30 from 56/45
1st number: 1 11/45, 2nd number: 15/30
56/45 - 15/30 is 67/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
56/45 = 56 × 2/45 × 2 = 112/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
15/30 = 15 × 3/30 × 3 = 45/90 - Subtract the two like fractions:
112/90 - 45/90 = 112 - 45/90 = 67/90
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