Subtract 45/80 from 42/6
1st number: 7 0/6, 2nd number: 45/80
42/6 - 45/80 is 103/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 6 × 40 = 240,
42/6 = 42 × 40/6 × 40 = 1680/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
45/80 = 45 × 3/80 × 3 = 135/240 - Subtract the two like fractions:
1680/240 - 135/240 = 1680 - 135/240 = 1545/240 - After reducing the fraction, the answer is 103/16
- In mixed form: 67/16
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