Subtract 20/3 from 7/80
1st number: 7/80, 2nd number: 6 2/3
7/80 - 20/3 is -1579/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 3 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
7/80 = 7 × 3/80 × 3 = 21/240 - Likewise, for the 2nd fraction, since 3 × 80 = 240,
20/3 = 20 × 80/3 × 80 = 1600/240 - Subtract the two like fractions:
21/240 - 1600/240 = 21 - 1600/240 = -1579/240
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