Add 70/15 and 10/90
1st number: 4 10/15, 2nd number: 10/90
70/15 + 10/90 is 43/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 15 × 6 = 90,
70/15 = 70 × 6/15 × 6 = 420/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
10/90 = 10 × 1/90 × 1 = 10/90 - Add the two like fractions:
420/90 + 10/90 = 420 + 10/90 = 430/90 - 430/90 simplified gives 43/9
- So, 70/15 + 10/90 = 43/9
In mixed form: 47/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/15+20/90 70/30+10/90 70/15+30/90 70/45+10/90 70/15+50/90 70/75+10/90 70/15+70/90