Subtract 21/48 from 49/45
1st number: 1 4/45, 2nd number: 21/48
49/45 - 21/48 is 469/720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 48 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
49/45 = 49 × 16/45 × 16 = 784/720 - Likewise, for the 2nd fraction, since 48 × 15 = 720,
21/48 = 21 × 15/48 × 15 = 315/720 - Subtract the two like fractions:
784/720 - 315/720 = 784 - 315/720 = 469/720
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