Subtract 84/70 from 15/45
1st number: 15/45, 2nd number: 1 14/70
15/45 - 84/70 is -13/15.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
15/45 = 15 × 14/45 × 14 = 210/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
84/70 = 84 × 9/70 × 9 = 756/630 - Subtract the two like fractions:
210/630 - 756/630 = 210 - 756/630 = -546/630 - After reducing the fraction, the answer is -13/15
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