Add 35/2 and 70/20
1st number: 17 1/2, 2nd number: 3 10/20
35/2 + 70/20 is 21/1.
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,
35/2 = 35 × 10/2 × 10 = 350/20 - Likewise, for the 2nd fraction, since 20 × 1 = 20,
70/20 = 70 × 1/20 × 1 = 70/20 - Add the two like fractions:
350/20 + 70/20 = 350 + 70/20 = 420/20 - 420/20 simplified gives 21/1
- So, 35/2 + 70/20 = 21/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2+70/20 35/4+70/20 35/2+70/40 35/6+70/20 35/2+70/60 35/10+70/20 35/14+70/20