Subtract 30/50 from 21/27
21/27 - 30/50 is 8/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 50 is 1350
Next, find the equivalent fraction of both fractional numbers with denominator 1350 - For the 1st fraction, since 27 × 50 = 1350,
21/27 = 21 × 50/27 × 50 = 1050/1350 - Likewise, for the 2nd fraction, since 50 × 27 = 1350,
30/50 = 30 × 27/50 × 27 = 810/1350 - Subtract the two like fractions:
1050/1350 - 810/1350 = 1050 - 810/1350 = 240/1350 - After reducing the fraction, the answer is 8/45
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