Subtract 30/70 from 28/8
1st number: 3 4/8, 2nd number: 30/70
28/8 - 30/70 is 43/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 70 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 8 × 35 = 280,
28/8 = 28 × 35/8 × 35 = 980/280 - Likewise, for the 2nd fraction, since 70 × 4 = 280,
30/70 = 30 × 4/70 × 4 = 120/280 - Subtract the two like fractions:
980/280 - 120/280 = 980 - 120/280 = 860/280 - After reducing the fraction, the answer is 43/14
- In mixed form: 31/14
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