Subtract 3/50 from 81/28
1st number: 2 25/28, 2nd number: 3/50
81/28 - 3/50 is 1983/700.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 50 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
81/28 = 81 × 25/28 × 25 = 2025/700 - Likewise, for the 2nd fraction, since 50 × 14 = 700,
3/50 = 3 × 14/50 × 14 = 42/700 - Subtract the two like fractions:
2025/700 - 42/700 = 2025 - 42/700 = 1983/700 - In mixed form: 2583/700
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/28-6/50 81/56-3/50 81/28-9/50 81/84-3/50 81/28-15/50 81/28-21/50