Add 70/30 and 24/90
1st number: 2 10/30, 2nd number: 24/90
70/30 + 24/90 is 13/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 90 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 90 × 1 = 90,
24/90 = 24 × 1/90 × 1 = 24/90 - Add the two like fractions:
210/90 + 24/90 = 210 + 24/90 = 234/90 - 234/90 simplified gives 13/5
- So, 70/30 + 24/90 = 13/5
In mixed form: 23/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+48/90 70/60+24/90 70/30+72/90 70/90+24/90