Add 30/18 and 70/10
1st number: 1 12/18, 2nd number: 7 0/10
30/18 + 70/10 is 26/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
30/18 = 30 × 5/18 × 5 = 150/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
70/10 = 70 × 9/10 × 9 = 630/90 - Add the two like fractions:
150/90 + 630/90 = 150 + 630/90 = 780/90 - 780/90 simplified gives 26/3
- So, 30/18 + 70/10 = 26/3
In mixed form: 82/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/18+70/10 30/36+70/10 30/18+70/20 90/18+70/10 30/54+70/10 30/18+70/30 30/90+70/10 30/18+70/50