Subtract 20/90 from 25/2
1st number: 12 1/2, 2nd number: 20/90
25/2 - 20/90 is 221/18.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 2 × 45 = 90,
25/2 = 25 × 45/2 × 45 = 1125/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
20/90 = 20 × 1/90 × 1 = 20/90 - Subtract the two like fractions:
1125/90 - 20/90 = 1125 - 20/90 = 1105/90 - After reducing the fraction, the answer is 221/18
- In mixed form: 125/18
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