Subtract 81/4 from 14/70
1st number: 14/70, 2nd number: 20 1/4
14/70 - 81/4 is -401/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 4 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
14/70 = 14 × 2/70 × 2 = 28/140 - Likewise, for the 2nd fraction, since 4 × 35 = 140,
81/4 = 81 × 35/4 × 35 = 2835/140 - Subtract the two like fractions:
28/140 - 2835/140 = 28 - 2835/140 = -2807/140 - After reducing the fraction, the answer is -401/20
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