Add 70/4 and 30/5
1st number: 17 2/4, 2nd number: 6 0/5
70/4 + 30/5 is 47/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
70/4 = 70 × 5/4 × 5 = 350/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
30/5 = 30 × 4/5 × 4 = 120/20 - Add the two like fractions:
350/20 + 120/20 = 350 + 120/20 = 470/20 - 470/20 simplified gives 47/2
- So, 70/4 + 30/5 = 47/2
In mixed form: 231/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/4+60/5 70/8+30/5 70/4+30/10 70/4+90/5 70/12+30/5 70/4+30/15 70/20+30/5 70/4+30/25 70/28+30/5 70/4+30/35