Subtract 80/49 from 45/40
1st number: 1 5/40, 2nd number: 1 31/49
45/40 - 80/49 is -199/392.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 49 is 1960
Next, find the equivalent fraction of both fractional numbers with denominator 1960 - For the 1st fraction, since 40 × 49 = 1960,
45/40 = 45 × 49/40 × 49 = 2205/1960 - Likewise, for the 2nd fraction, since 49 × 40 = 1960,
80/49 = 80 × 40/49 × 40 = 3200/1960 - Subtract the two like fractions:
2205/1960 - 3200/1960 = 2205 - 3200/1960 = -995/1960 - After reducing the fraction, the answer is -199/392
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