Subtract 80/30 from 18/25
1st number: 18/25, 2nd number: 2 20/30
18/25 - 80/30 is -146/75.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 25 × 6 = 150,
18/25 = 18 × 6/25 × 6 = 108/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
80/30 = 80 × 5/30 × 5 = 400/150 - Subtract the two like fractions:
108/150 - 400/150 = 108 - 400/150 = -292/150 - After reducing the fraction, the answer is -146/75
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