Add 25/48 and 90/72
1st number: 25/48, 2nd number: 1 18/72
25/48 + 90/72 is 85/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 48 × 3 = 144,
25/48 = 25 × 3/48 × 3 = 75/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
90/72 = 90 × 2/72 × 2 = 180/144 - Add the two like fractions:
75/144 + 180/144 = 75 + 180/144 = 255/144 - 255/144 simplified gives 85/48
- So, 25/48 + 90/72 = 85/48
In mixed form: 137/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/48+90/72 25/96+90/72 75/48+90/72