Subtract 21/4 from 50/18
1st number: 2 14/18, 2nd number: 5 1/4
50/18 - 21/4 is -89/36.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 4 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 18 × 2 = 36,
50/18 = 50 × 2/18 × 2 = 100/36 - Likewise, for the 2nd fraction, since 4 × 9 = 36,
21/4 = 21 × 9/4 × 9 = 189/36 - Subtract the two like fractions:
100/36 - 189/36 = 100 - 189/36 = -89/36
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