Add 70/2 and 30/20
1st number: 35 0/2, 2nd number: 1 10/20
70/2 + 30/20 is 73/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 20 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 2 × 10 = 20,
70/2 = 70 × 10/2 × 10 = 700/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
30/20 = 30 × 1/20 × 1 = 30/20 - Add the two like fractions:
700/20 + 30/20 = 700 + 30/20 = 730/20 - 730/20 simplified gives 73/2
- So, 70/2 + 30/20 = 73/2
In mixed form: 361/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2+60/20 70/4+30/20 70/2+30/40 70/2+90/20 70/6+30/20 70/2+30/60 70/10+30/20 70/14+30/20