Add 70/12 and 4/18
1st number: 5 10/12, 2nd number: 4/18
70/12 + 4/18 is 109/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 18 is 36
Next, find the equivalent fraction of both fractional numbers with denominator 36 - For the 1st fraction, since 12 × 3 = 36,
70/12 = 70 × 3/12 × 3 = 210/36 - Likewise, for the 2nd fraction, since 18 × 2 = 36,
4/18 = 4 × 2/18 × 2 = 8/36 - Add the two like fractions:
210/36 + 8/36 = 210 + 8/36 = 218/36 - 218/36 simplified gives 109/18
- So, 70/12 + 4/18 = 109/18
In mixed form: 61/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+8/18 70/24+4/18 70/12+4/36 70/12+12/18 70/36+4/18 70/12+4/54 70/12+20/18 70/60+4/18 70/12+4/90 70/12+28/18 70/84+4/18