Subtract 27/90 from 2/35
2/35 - 27/90 is -17/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
2/35 = 2 × 18/35 × 18 = 36/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
27/90 = 27 × 7/90 × 7 = 189/630 - Subtract the two like fractions:
36/630 - 189/630 = 36 - 189/630 = -153/630 - After reducing the fraction, the answer is -17/70
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