Subtract 1/30 from 18/56
18/56 - 1/30 is 121/420.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
18/56 = 18 × 15/56 × 15 = 270/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
1/30 = 1 × 28/30 × 28 = 28/840 - Subtract the two like fractions:
270/840 - 28/840 = 270 - 28/840 = 242/840 - After reducing the fraction, the answer is 121/420
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