Subtract 45/90 from 25/8
1st number: 3 1/8, 2nd number: 45/90
25/8 - 45/90 is 21/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
25/8 = 25 × 45/8 × 45 = 1125/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
45/90 = 45 × 4/90 × 4 = 180/360 - Subtract the two like fractions:
1125/360 - 180/360 = 1125 - 180/360 = 945/360 - After reducing the fraction, the answer is 21/8
- In mixed form: 25/8
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