Add 54/60 and 70/18
1st number: 54/60, 2nd number: 3 16/18
54/60 + 70/18 is 431/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 18 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
54/60 = 54 × 3/60 × 3 = 162/180 - Likewise, for the 2nd fraction, since 18 × 10 = 180,
70/18 = 70 × 10/18 × 10 = 700/180 - Add the two like fractions:
162/180 + 700/180 = 162 + 700/180 = 862/180 - 862/180 simplified gives 431/90
- So, 54/60 + 70/18 = 431/90
In mixed form: 471/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/60+70/36 54/60+70/54 54/60+70/90