Subtract 21/50 from 49/40
1st number: 1 9/40, 2nd number: 21/50
49/40 - 21/50 is 161/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 50 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 40 × 5 = 200,
49/40 = 49 × 5/40 × 5 = 245/200 - Likewise, for the 2nd fraction, since 50 × 4 = 200,
21/50 = 21 × 4/50 × 4 = 84/200 - Subtract the two like fractions:
245/200 - 84/200 = 245 - 84/200 = 161/200
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