Add 48/72 and 18/45
48/72 + 18/45 is 16/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
48/72 = 48 × 5/72 × 5 = 240/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
18/45 = 18 × 8/45 × 8 = 144/360 - Add the two like fractions:
240/360 + 144/360 = 240 + 144/360 = 384/360 - 384/360 simplified gives 16/15
- So, 48/72 + 18/45 = 16/15
In mixed form: 11/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/72+18/45 48/72+36/45 48/72+18/90 48/72+54/45 48/72+90/45