Subtract 27/4 from 21/50
1st number: 21/50, 2nd number: 6 3/4
21/50 - 27/4 is -633/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 4 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 50 × 2 = 100,
21/50 = 21 × 2/50 × 2 = 42/100 - Likewise, for the 2nd fraction, since 4 × 25 = 100,
27/4 = 27 × 25/4 × 25 = 675/100 - Subtract the two like fractions:
42/100 - 675/100 = 42 - 675/100 = -633/100
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