Subtract 30/50 from 18/28
18/28 - 30/50 is 3/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 50 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
18/28 = 18 × 25/28 × 25 = 450/700 - Likewise, for the 2nd fraction, since 50 × 14 = 700,
30/50 = 30 × 14/50 × 14 = 420/700 - Subtract the two like fractions:
450/700 - 420/700 = 450 - 420/700 = 30/700 - After reducing the fraction, the answer is 3/70
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