Subtract 21/80 from 49/18
1st number: 2 13/18, 2nd number: 21/80
49/18 - 21/80 is 1771/720.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
49/18 = 49 × 40/18 × 40 = 1960/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
21/80 = 21 × 9/80 × 9 = 189/720 - Subtract the two like fractions:
1960/720 - 189/720 = 1960 - 189/720 = 1771/720 - In mixed form: 2331/720
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