Add 84/24 and 70/18
1st number: 3 12/24, 2nd number: 3 16/18
84/24 + 70/18 is 133/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 24 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 24 × 3 = 72,
84/24 = 84 × 3/24 × 3 = 252/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
70/18 = 70 × 4/18 × 4 = 280/72 - Add the two like fractions:
252/72 + 280/72 = 252 + 280/72 = 532/72 - 532/72 simplified gives 133/18
- So, 84/24 + 70/18 = 133/18
In mixed form: 77/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/48+70/18 84/24+70/36 84/72+70/18 84/24+70/54 84/24+70/90