Subtract 64/45 from 63/20
1st number: 3 3/20, 2nd number: 1 19/45
63/20 - 64/45 is 311/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
63/20 = 63 × 9/20 × 9 = 567/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
64/45 = 64 × 4/45 × 4 = 256/180 - Subtract the two like fractions:
567/180 - 256/180 = 567 - 256/180 = 311/180 - In mixed form: 1131/180
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