Subtract 40/4 from 49/20
1st number: 2 9/20, 2nd number: 10 0/4
49/20 - 40/4 is -151/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 4 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 20 × 1 = 20,
49/20 = 49 × 1/20 × 1 = 49/20 - Likewise, for the 2nd fraction, since 4 × 5 = 20,
40/4 = 40 × 5/4 × 5 = 200/20 - Subtract the two like fractions:
49/20 - 200/20 = 49 - 200/20 = -151/20
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