Add 70/2 and 42/20
1st number: 35 0/2, 2nd number: 2 2/20
70/2 + 42/20 is 371/10.
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,
42/20 = 42 × 1/20 × 1 = 42/20 - Add the two like fractions:
700/20 + 42/20 = 700 + 42/20 = 742/20 - 742/20 simplified gives 371/10
- So, 70/2 + 42/20 = 371/10
In mixed form: 371/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/2+84/20 70/4+42/20 70/2+42/40 70/6+42/20 70/2+42/60 70/10+42/20 70/14+42/20