Subtract 80/45 from 35/42
1st number: 35/42, 2nd number: 1 35/45
35/42 - 80/45 is -17/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
35/42 = 35 × 15/42 × 15 = 525/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
80/45 = 80 × 14/45 × 14 = 1120/630 - Subtract the two like fractions:
525/630 - 1120/630 = 525 - 1120/630 = -595/630 - After reducing the fraction, the answer is -17/18
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