Add 70/18 and 56/30
1st number: 3 16/18, 2nd number: 1 26/30
70/18 + 56/30 is 259/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
70/18 = 70 × 5/18 × 5 = 350/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
56/30 = 56 × 3/30 × 3 = 168/90 - Add the two like fractions:
350/90 + 168/90 = 350 + 168/90 = 518/90 - 518/90 simplified gives 259/45
- So, 70/18 + 56/30 = 259/45
In mixed form: 534/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/36+56/30 70/18+56/60 70/54+56/30 70/18+56/90 70/90+56/30