Add 70/90 and 10/5
1st number: 70/90, 2nd number: 2 0/5
70/90 + 10/5 is 25/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
70/90 = 70 × 1/90 × 1 = 70/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
10/5 = 10 × 18/5 × 18 = 180/90 - Add the two like fractions:
70/90 + 180/90 = 70 + 180/90 = 250/90 - 250/90 simplified gives 25/9
- So, 70/90 + 10/5 = 25/9
In mixed form: 27/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/90+20/5 70/90+30/5 70/90+10/15 70/90+50/5 70/90+10/25 70/90+70/5 70/90+10/35