Subtract 21/90 from 36/25
1st number: 1 11/25, 2nd number: 21/90
36/25 - 21/90 is 181/150.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 25 × 18 = 450,
36/25 = 36 × 18/25 × 18 = 648/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
21/90 = 21 × 5/90 × 5 = 105/450 - Subtract the two like fractions:
648/450 - 105/450 = 648 - 105/450 = 543/450 - After reducing the fraction, the answer is 181/150
- In mixed form: 131/150
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