Subtract 25/80 from 21/2
1st number: 10 1/2, 2nd number: 25/80
21/2 - 25/80 is 163/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
21/2 = 21 × 40/2 × 40 = 840/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
25/80 = 25 × 1/80 × 1 = 25/80 - Subtract the two like fractions:
840/80 - 25/80 = 840 - 25/80 = 815/80 - After reducing the fraction, the answer is 163/16
- In mixed form: 103/16
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