Subtract 49/15 from 45/70
1st number: 45/70, 2nd number: 3 4/15
45/70 - 49/15 is -551/210.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
45/70 = 45 × 3/70 × 3 = 135/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
49/15 = 49 × 14/15 × 14 = 686/210 - Subtract the two like fractions:
135/210 - 686/210 = 135 - 686/210 = -551/210
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