Subtract 81/70 from 28/8
1st number: 3 4/8, 2nd number: 1 11/70
28/8 - 81/70 is 82/35.
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,
81/70 = 81 × 4/70 × 4 = 324/280 - Subtract the two like fractions:
980/280 - 324/280 = 980 - 324/280 = 656/280 - After reducing the fraction, the answer is 82/35
- In mixed form: 212/35
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