Add 30/72 and 45/48
30/72 + 45/48 is 65/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
30/72 = 30 × 2/72 × 2 = 60/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
45/48 = 45 × 3/48 × 3 = 135/144 - Add the two like fractions:
60/144 + 135/144 = 60 + 135/144 = 195/144 - 195/144 simplified gives 65/48
- So, 30/72 + 45/48 = 65/48
In mixed form: 117/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/72+45/48 30/72+90/48 30/72+45/96 90/72+45/48