Subtract 84/40 from 90/49
1st number: 1 41/49, 2nd number: 2 4/40
90/49 - 84/40 is -129/490.
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,
90/49 = 90 × 40/49 × 40 = 3600/1960 - Likewise, for the 2nd fraction, since 40 × 49 = 1960,
84/40 = 84 × 49/40 × 49 = 4116/1960 - Subtract the two like fractions:
3600/1960 - 4116/1960 = 3600 - 4116/1960 = -516/1960 - After reducing the fraction, the answer is -129/490
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