Subtract 48/18 from 7/4
1st number: 1 3/4, 2nd number: 2 12/18
7/4 - 48/18 is -11/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 4 × 9 = 36,
7/4 = 7 × 9/4 × 9 = 63/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
48/18 = 48 × 2/18 × 2 = 96/36 - Subtract the two like fractions:
63/36 - 96/36 = 63 - 96/36 = -33/36 - After reducing the fraction, the answer is -11/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/4-48/18 7/4-96/18 7/8-48/18 7/4-48/36 21/4-48/18 7/12-48/18 7/4-48/54 35/4-48/18 7/20-48/18 7/4-48/90 49/4-48/18 7/28-48/18