Add 45/72 and 9/48
45/72 + 9/48 is 13/16.
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,
45/72 = 45 × 2/72 × 2 = 90/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
9/48 = 9 × 3/48 × 3 = 27/144 - Add the two like fractions:
90/144 + 27/144 = 90 + 27/144 = 117/144 - 117/144 simplified gives 13/16
- So, 45/72 + 9/48 = 13/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/72+9/48 45/72+18/48 45/72+9/96 45/72+27/48 45/72+45/48 45/72+63/48