Add 54/3 and 70/4
1st number: 18 0/3, 2nd number: 17 2/4
54/3 + 70/4 is 71/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 4 is 12
Next, find the equivalent fraction of both fractional numbers with denominator 12 - For the 1st fraction, since 3 × 4 = 12,
54/3 = 54 × 4/3 × 4 = 216/12 - Likewise, for the 2nd fraction, since 4 × 3 = 12,
70/4 = 70 × 3/4 × 3 = 210/12 - Add the two like fractions:
216/12 + 210/12 = 216 + 210/12 = 426/12 - 426/12 simplified gives 71/2
- So, 54/3 + 70/4 = 71/2
In mixed form: 351/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/6+70/4 54/3+70/8 54/9+70/4 54/3+70/12 54/15+70/4 54/3+70/20 54/21+70/4 54/3+70/28