Add 12/8 and 70/18
1st number: 1 4/8, 2nd number: 3 16/18
12/8 + 70/18 is 97/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 18 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
12/8 = 12 × 9/8 × 9 = 108/72 - Likewise, for the 2nd fraction, since 18 × 4 = 72,
70/18 = 70 × 4/18 × 4 = 280/72 - Add the two like fractions:
108/72 + 280/72 = 108 + 280/72 = 388/72 - 388/72 simplified gives 97/18
- So, 12/8 + 70/18 = 97/18
In mixed form: 57/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/8+70/18 12/16+70/18 12/8+70/36 36/8+70/18 12/24+70/18 12/8+70/54 60/8+70/18 12/40+70/18 12/8+70/90 84/8+70/18 12/56+70/18