Subtract 15/28 from 30/50
30/50 - 15/28 is 9/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 50 × 14 = 700,
30/50 = 30 × 14/50 × 14 = 420/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
15/28 = 15 × 25/28 × 25 = 375/700 - Subtract the two like fractions:
420/700 - 375/700 = 420 - 375/700 = 45/700 - After reducing the fraction, the answer is 9/140
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