Add 70/30 and 90/50
1st number: 2 10/30, 2nd number: 1 40/50
70/30 + 90/50 is 62/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 50 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 30 × 5 = 150,
70/30 = 70 × 5/30 × 5 = 350/150 - Likewise, for the 2nd fraction, since 50 × 3 = 150,
90/50 = 90 × 3/50 × 3 = 270/150 - Add the two like fractions:
350/150 + 270/150 = 350 + 270/150 = 620/150 - 620/150 simplified gives 62/15
- So, 70/30 + 90/50 = 62/15
In mixed form: 42/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/60+90/50 70/90+90/50