Subtract 15/80 from 45/30
1st number: 1 15/30, 2nd number: 15/80
45/30 - 15/80 is 21/16.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
45/30 = 45 × 8/30 × 8 = 360/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
15/80 = 15 × 3/80 × 3 = 45/240 - Subtract the two like fractions:
360/240 - 45/240 = 360 - 45/240 = 315/240 - After reducing the fraction, the answer is 21/16
- In mixed form: 15/16
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