Subtract 1/90 from 84/25
1st number: 3 9/25, 2nd number: 1/90
84/25 - 1/90 is 1507/450.
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,
84/25 = 84 × 18/25 × 18 = 1512/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
1/90 = 1 × 5/90 × 5 = 5/450 - Subtract the two like fractions:
1512/450 - 5/450 = 1512 - 5/450 = 1507/450 - In mixed form: 3157/450
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