Subtract 80/14 from 90/45
1st number: 2 0/45, 2nd number: 5 10/14
90/45 - 80/14 is -26/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
90/45 = 90 × 14/45 × 14 = 1260/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
80/14 = 80 × 45/14 × 45 = 3600/630 - Subtract the two like fractions:
1260/630 - 3600/630 = 1260 - 3600/630 = -2340/630 - After reducing the fraction, the answer is -26/7
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