Subtract 21/45 from 75/48
1st number: 1 27/48, 2nd number: 21/45
75/48 - 21/45 is 263/240.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 48 × 15 = 720,
75/48 = 75 × 15/48 × 15 = 1125/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
21/45 = 21 × 16/45 × 16 = 336/720 - Subtract the two like fractions:
1125/720 - 336/720 = 1125 - 336/720 = 789/720 - After reducing the fraction, the answer is 263/240
- In mixed form: 123/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/48-42/45 75/96-21/45 75/48-21/90 75/48-63/45