Subtract 25/90 from 12/5
1st number: 2 2/5, 2nd number: 25/90
12/5 - 25/90 is 191/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 5 × 18 = 90,
12/5 = 12 × 18/5 × 18 = 216/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
25/90 = 25 × 1/90 × 1 = 25/90 - Subtract the two like fractions:
216/90 - 25/90 = 216 - 25/90 = 191/90 - In mixed form: 211/90
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