Subtract 80/49 from 90/45
1st number: 2 0/45, 2nd number: 1 31/49
90/45 - 80/49 is 18/49.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 49 is 2205
Next, find the equivalent fraction of both fractional numbers with denominator 2205 - For the 1st fraction, since 45 × 49 = 2205,
90/45 = 90 × 49/45 × 49 = 4410/2205 - Likewise, for the 2nd fraction, since 49 × 45 = 2205,
80/49 = 80 × 45/49 × 45 = 3600/2205 - Subtract the two like fractions:
4410/2205 - 3600/2205 = 4410 - 3600/2205 = 810/2205 - After reducing the fraction, the answer is 18/49
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