Subtract 9/20 from 63/45
1st number: 1 18/45, 2nd number: 9/20
63/45 - 9/20 is 19/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 20 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 20 × 9 = 180,
9/20 = 9 × 9/20 × 9 = 81/180 - Subtract the two like fractions:
252/180 - 81/180 = 252 - 81/180 = 171/180 - After reducing the fraction, the answer is 19/20
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