Subtract 49/9 from 40/20
1st number: 2 0/20, 2nd number: 5 4/9
40/20 - 49/9 is -31/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
40/20 = 40 × 9/20 × 9 = 360/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
49/9 = 49 × 20/9 × 20 = 980/180 - Subtract the two like fractions:
360/180 - 980/180 = 360 - 980/180 = -620/180 - After reducing the fraction, the answer is -31/9
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