Subtract 30/70 from 80/28
1st number: 2 24/28, 2nd number: 30/70
80/28 - 30/70 is 17/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
80/28 = 80 × 5/28 × 5 = 400/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
30/70 = 30 × 2/70 × 2 = 60/140 - Subtract the two like fractions:
400/140 - 60/140 = 400 - 60/140 = 340/140 - After reducing the fraction, the answer is 17/7
- In mixed form: 23/7
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