Subtract 10/6 from 42/80
1st number: 42/80, 2nd number: 1 4/6
42/80 - 10/6 is -137/120.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 6 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240 - Likewise, for the 2nd fraction, since 6 × 40 = 240,
10/6 = 10 × 40/6 × 40 = 400/240 - Subtract the two like fractions:
126/240 - 400/240 = 126 - 400/240 = -274/240 - After reducing the fraction, the answer is -137/120
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