Subtract 30/36 from 63/45
1st number: 1 18/45, 2nd number: 30/36
63/45 - 30/36 is 17/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
63/45 = 63 × 4/45 × 4 = 252/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
30/36 = 30 × 5/36 × 5 = 150/180 - Subtract the two like fractions:
252/180 - 150/180 = 252 - 150/180 = 102/180 - After reducing the fraction, the answer is 17/30
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