Subtract 63/90 from 70/25
1st number: 2 20/25, 2nd number: 63/90
70/25 - 63/90 is 21/10.
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,
70/25 = 70 × 18/25 × 18 = 1260/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
63/90 = 63 × 5/90 × 5 = 315/450 - Subtract the two like fractions:
1260/450 - 315/450 = 1260 - 315/450 = 945/450 - After reducing the fraction, the answer is 21/10
- In mixed form: 21/10
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