Add 70/30 and 56/18
1st number: 2 10/30, 2nd number: 3 2/18
70/30 + 56/18 is 49/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 18 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 30 × 3 = 90,
70/30 = 70 × 3/30 × 3 = 210/90 - Likewise, for the 2nd fraction, since 18 × 5 = 90,
56/18 = 56 × 5/18 × 5 = 280/90 - Add the two like fractions:
210/90 + 280/90 = 210 + 280/90 = 490/90 - 490/90 simplified gives 49/9
- So, 70/30 + 56/18 = 49/9
In mixed form: 54/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60+56/18 70/30+56/36 70/90+56/18 70/30+56/54 70/30+56/90