Add 50/2 and 70/20
1st number: 25 0/2, 2nd number: 3 10/20
50/2 + 70/20 is 57/2.
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,
50/2 = 50 × 10/2 × 10 = 500/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
70/20 = 70 × 1/20 × 1 = 70/20 - Add the two like fractions:
500/20 + 70/20 = 500 + 70/20 = 570/20 - 570/20 simplified gives 57/2
- So, 50/2 + 70/20 = 57/2
In mixed form: 281/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/4+70/20 50/2+70/40 50/6+70/20 50/2+70/60 50/10+70/20 50/14+70/20