Add 70/30 and 25/18
1st number: 2 10/30, 2nd number: 1 7/18
70/30 + 25/18 is 67/18.
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,
25/18 = 25 × 5/18 × 5 = 125/90 - Add the two like fractions:
210/90 + 125/90 = 210 + 125/90 = 335/90 - 335/90 simplified gives 67/18
- So, 70/30 + 25/18 = 67/18
In mixed form: 313/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+50/18 70/60+25/18 70/30+25/36 70/30+75/18 70/90+25/18 70/30+25/54 70/30+25/90