Add 72/4 and 28/25
1st number: 18 0/4, 2nd number: 1 3/25
72/4 + 28/25 is 478/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 4 × 25 = 100,
72/4 = 72 × 25/4 × 25 = 1800/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
28/25 = 28 × 4/25 × 4 = 112/100 - Add the two like fractions:
1800/100 + 112/100 = 1800 + 112/100 = 1912/100 - 1912/100 simplified gives 478/25
- So, 72/4 + 28/25 = 478/25
In mixed form: 193/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/4+56/25 72/8+28/25 72/4+28/50 72/4+84/25 72/12+28/25 72/4+28/75 72/20+28/25 72/28+28/25