Subtract 70/20 from 45/14
1st number: 3 3/14, 2nd number: 3 10/20
45/14 - 70/20 is -2/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 14 × 10 = 140,
45/14 = 45 × 10/14 × 10 = 450/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
70/20 = 70 × 7/20 × 7 = 490/140 - Subtract the two like fractions:
450/140 - 490/140 = 450 - 490/140 = -40/140 - After reducing the fraction, the answer is -2/7
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