Add 45/54 and 10/72
45/54 + 10/72 is 35/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 72 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
45/54 = 45 × 4/54 × 4 = 180/216 - Likewise, for the 2nd fraction, since 72 × 3 = 216,
10/72 = 10 × 3/72 × 3 = 30/216 - Add the two like fractions:
180/216 + 30/216 = 180 + 30/216 = 210/216 - 210/216 simplified gives 35/36
- So, 45/54 + 10/72 = 35/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54+10/72 45/54+20/72 45/54+30/72 45/54+50/72 45/54+70/72