Subtract 81/80 from 6/30
1st number: 6/30, 2nd number: 1 1/80
6/30 - 81/80 is -13/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
6/30 = 6 × 8/30 × 8 = 48/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
81/80 = 81 × 3/80 × 3 = 243/240 - Subtract the two like fractions:
48/240 - 243/240 = 48 - 243/240 = -195/240 - After reducing the fraction, the answer is -13/16
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