Add 70/30 and 20/5
1st number: 2 10/30, 2nd number: 4 0/5
70/30 + 20/5 is 19/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
70/30 = 70 × 1/30 × 1 = 70/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
20/5 = 20 × 6/5 × 6 = 120/30 - Add the two like fractions:
70/30 + 120/30 = 70 + 120/30 = 190/30 - 190/30 simplified gives 19/3
- So, 70/30 + 20/5 = 19/3
In mixed form: 61/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+40/5 70/60+20/5 70/30+20/10 70/30+60/5 70/90+20/5 70/30+20/15 70/30+20/25 70/30+20/35