Subtract 36/90 from 24/70
24/70 - 36/90 is -2/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
24/70 = 24 × 9/70 × 9 = 216/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
36/90 = 36 × 7/90 × 7 = 252/630 - Subtract the two like fractions:
216/630 - 252/630 = 216 - 252/630 = -36/630 - After reducing the fraction, the answer is -2/35
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