Subtract 21/75 from 90/18
1st number: 5 0/18, 2nd number: 21/75
90/18 - 21/75 is 118/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 18 × 25 = 450,
90/18 = 90 × 25/18 × 25 = 2250/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
21/75 = 21 × 6/75 × 6 = 126/450 - Subtract the two like fractions:
2250/450 - 126/450 = 2250 - 126/450 = 2124/450 - After reducing the fraction, the answer is 118/25
- In mixed form: 418/25
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