Subtract 28/40 from 54/49
1st number: 1 5/49, 2nd number: 28/40
54/49 - 28/40 is 197/490.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 40 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 49 × 40 = 1960,
54/49 = 54 × 40/49 × 40 = 2160/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
28/40 = 28 × 49/40 × 49 = 1372/1960 - Subtract the two like fractions:
2160/1960 - 1372/1960 = 2160 - 1372/1960 = 788/1960 - After reducing the fraction, the answer is 197/490
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