Subtract 27/21 from 90/50
1st number: 1 40/50, 2nd number: 1 6/21
90/50 - 27/21 is 18/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 21 is 1050
Next, find the equivalent fraction of both fractional numbers with denominator 1050 - For the 1st fraction, since 50 × 21 = 1050,
90/50 = 90 × 21/50 × 21 = 1890/1050 - Likewise, for the 2nd fraction, since 21 × 50 = 1050,
27/21 = 27 × 50/21 × 50 = 1350/1050 - Subtract the two like fractions:
1890/1050 - 1350/1050 = 1890 - 1350/1050 = 540/1050 - After reducing the fraction, the answer is 18/35
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