Subtract 21/50 from 81/4
1st number: 20 1/4, 2nd number: 21/50
81/4 - 21/50 is 1983/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 50 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
81/4 = 81 × 25/4 × 25 = 2025/100 - Likewise, for the 2nd fraction, since 50 × 2 = 100,
21/50 = 21 × 2/50 × 2 = 42/100 - Subtract the two like fractions:
2025/100 - 42/100 = 2025 - 42/100 = 1983/100 - In mixed form: 1983/100
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