Add 72/54 and 70/12
1st number: 1 18/54, 2nd number: 5 10/12
72/54 + 70/12 is 43/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 12 is 108
Next, find the equivalent fraction of both fractional numbers with denominator 108 - For the 1st fraction, since 54 × 2 = 108,
72/54 = 72 × 2/54 × 2 = 144/108 - Likewise, for the 2nd fraction, since 12 × 9 = 108,
70/12 = 70 × 9/12 × 9 = 630/108 - Add the two like fractions:
144/108 + 630/108 = 144 + 630/108 = 774/108 - 774/108 simplified gives 43/6
- So, 72/54 + 70/12 = 43/6
In mixed form: 71/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/54+70/24 72/54+70/36 72/54+70/60 72/54+70/84