Add 50/30 and 70/90
1st number: 1 20/30, 2nd number: 70/90
50/30 + 70/90 is 22/9.
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,
50/30 = 50 × 3/30 × 3 = 150/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
70/90 = 70 × 1/90 × 1 = 70/90 - Add the two like fractions:
150/90 + 70/90 = 150 + 70/90 = 220/90 - 220/90 simplified gives 22/9
- So, 50/30 + 70/90 = 22/9
In mixed form: 24/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/60+70/90 50/90+70/90