Subtract 7/30 from 70/25
1st number: 2 20/25, 2nd number: 7/30
70/25 - 7/30 is 77/30.
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,
70/25 = 70 × 6/25 × 6 = 420/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
7/30 = 7 × 5/30 × 5 = 35/150 - Subtract the two like fractions:
420/150 - 35/150 = 420 - 35/150 = 385/150 - After reducing the fraction, the answer is 77/30
- In mixed form: 217/30
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