Add 5/3 and 10/42
1st number: 1 2/3, 2nd number: 10/42
5/3 + 10/42 is 40/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 3 × 14 = 42,
5/3 = 5 × 14/3 × 14 = 70/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
10/42 = 10 × 1/42 × 1 = 10/42 - Add the two like fractions:
70/42 + 10/42 = 70 + 10/42 = 80/42 - 80/42 simplified gives 40/21
- So, 5/3 + 10/42 = 40/21
In mixed form: 119/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/3+10/42 5/3+20/42 5/6+10/42 5/3+10/84 15/3+10/42 5/3+30/42 5/9+10/42 25/3+10/42 5/3+50/42 5/15+10/42 35/3+10/42 5/3+70/42 5/21+10/42