Subtract 72/4 from 25/2
1st number: 12 1/2, 2nd number: 18 0/4
25/2 - 72/4 is -11/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 4 is 4
Next, find the equivalent fraction of both fractional numbers with denominator 4 - For the 1st fraction, since 2 × 2 = 4,
25/2 = 25 × 2/2 × 2 = 50/4 - Likewise, for the 2nd fraction, since 4 × 1 = 4,
72/4 = 72 × 1/4 × 1 = 72/4 - Subtract the two like fractions:
50/4 - 72/4 = 50 - 72/4 = -22/4 - After reducing the fraction, the answer is -11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/2-72/4 25/4-72/4 25/2-72/8 75/2-72/4 25/6-72/4 25/2-72/12 25/10-72/4 25/2-72/20 25/14-72/4 25/2-72/28