Subtract 80/35 from 60/45
1st number: 1 15/45, 2nd number: 2 10/35
60/45 - 80/35 is -20/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
60/45 = 60 × 7/45 × 7 = 420/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
80/35 = 80 × 9/35 × 9 = 720/315 - Subtract the two like fractions:
420/315 - 720/315 = 420 - 720/315 = -300/315 - After reducing the fraction, the answer is -20/21
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