Add 70/35 and 24/90
1st number: 2 0/35, 2nd number: 24/90
70/35 + 24/90 is 34/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 35 × 18 = 630,
70/35 = 70 × 18/35 × 18 = 1260/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
24/90 = 24 × 7/90 × 7 = 168/630 - Add the two like fractions:
1260/630 + 168/630 = 1260 + 168/630 = 1428/630 - 1428/630 simplified gives 34/15
- So, 70/35 + 24/90 = 34/15
In mixed form: 24/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/35+48/90 70/35+72/90