Add 80/2 and 35/21
1st number: 40 0/2, 2nd number: 1 14/21
80/2 + 35/21 is 125/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 21 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 2 × 21 = 42,
80/2 = 80 × 21/2 × 21 = 1680/42 - Likewise, for the 2nd fraction, since 21 × 2 = 42,
35/21 = 35 × 2/21 × 2 = 70/42 - Add the two like fractions:
1680/42 + 70/42 = 1680 + 70/42 = 1750/42 - 1750/42 simplified gives 125/3
- So, 80/2 + 35/21 = 125/3
In mixed form: 412/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2+70/21 80/4+35/21 80/2+35/42 80/6+35/21 80/2+35/63 80/10+35/21 80/14+35/21