Subtract 54/49 from 21/14
1st number: 1 7/14, 2nd number: 1 5/49
21/14 - 54/49 is 39/98.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 14 × 7 = 98,
21/14 = 21 × 7/14 × 7 = 147/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
54/49 = 54 × 2/49 × 2 = 108/98 - Subtract the two like fractions:
147/98 - 108/98 = 147 - 108/98 = 39/98
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