Add 70/30 and 40/5
1st number: 2 10/30, 2nd number: 8 0/5
70/30 + 40/5 is 31/3.
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,
40/5 = 40 × 6/5 × 6 = 240/30 - Add the two like fractions:
70/30 + 240/30 = 70 + 240/30 = 310/30 - 310/30 simplified gives 31/3
- So, 70/30 + 40/5 = 31/3
In mixed form: 101/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/30+80/5 70/60+40/5 70/30+40/10 70/90+40/5 70/30+40/15 70/30+40/25 70/30+40/35