Subtract 81/80 from 4/6
1st number: 4/6, 2nd number: 1 1/80
4/6 - 81/80 is -83/240.
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,
4/6 = 4 × 40/6 × 40 = 160/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
81/80 = 81 × 3/80 × 3 = 243/240 - Subtract the two like fractions:
160/240 - 243/240 = 160 - 243/240 = -83/240
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