Subtract 80/90 from 90/25
1st number: 3 15/25, 2nd number: 80/90
90/25 - 80/90 is 122/45.
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,
90/25 = 90 × 18/25 × 18 = 1620/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
80/90 = 80 × 5/90 × 5 = 400/450 - Subtract the two like fractions:
1620/450 - 400/450 = 1620 - 400/450 = 1220/450 - After reducing the fraction, the answer is 122/45
- In mixed form: 232/45
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