Subtract 18/56 from 30/90
30/90 - 18/56 is 1/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
30/90 = 30 × 28/90 × 28 = 840/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
18/56 = 18 × 45/56 × 45 = 810/2520 - Subtract the two like fractions:
840/2520 - 810/2520 = 840 - 810/2520 = 30/2520 - After reducing the fraction, the answer is 1/84
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