Subtract 25/70 from 75/30
1st number: 2 15/30, 2nd number: 25/70
75/30 - 25/70 is 15/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
75/30 = 75 × 7/30 × 7 = 525/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
25/70 = 25 × 3/70 × 3 = 75/210 - Subtract the two like fractions:
525/210 - 75/210 = 525 - 75/210 = 450/210 - After reducing the fraction, the answer is 15/7
- In mixed form: 21/7
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