Subtract 63/80 from 40/60
40/60 - 63/80 is -29/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
40/60 = 40 × 4/60 × 4 = 160/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
63/80 = 63 × 3/80 × 3 = 189/240 - Subtract the two like fractions:
160/240 - 189/240 = 160 - 189/240 = -29/240
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Related: 80/60-63/80