Subtract 56/45 from 18/12
1st number: 1 6/12, 2nd number: 1 11/45
18/12 - 56/45 is 23/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
18/12 = 18 × 15/12 × 15 = 270/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
56/45 = 56 × 4/45 × 4 = 224/180 - Subtract the two like fractions:
270/180 - 224/180 = 270 - 224/180 = 46/180 - After reducing the fraction, the answer is 23/90
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