Subtract 64/27 from 49/20
1st number: 2 9/20, 2nd number: 2 10/27
49/20 - 64/27 is 43/540.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
49/20 = 49 × 27/20 × 27 = 1323/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
64/27 = 64 × 20/27 × 20 = 1280/540 - Subtract the two like fractions:
1323/540 - 1280/540 = 1323 - 1280/540 = 43/540
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