Subtract 75/45 from 49/48
1st number: 1 1/48, 2nd number: 1 30/45
49/48 - 75/45 is -31/48.
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,
49/48 = 49 × 15/48 × 15 = 735/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
75/45 = 75 × 16/45 × 16 = 1200/720 - Subtract the two like fractions:
735/720 - 1200/720 = 735 - 1200/720 = -465/720 - After reducing the fraction, the answer is -31/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/48-75/45 49/96-75/45 49/48-75/90