Add 35/10 and 20/42
1st number: 3 5/10, 2nd number: 20/42
35/10 + 20/42 is 167/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
35/10 = 35 × 21/10 × 21 = 735/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
20/42 = 20 × 5/42 × 5 = 100/210 - Add the two like fractions:
735/210 + 100/210 = 735 + 100/210 = 835/210 - 835/210 simplified gives 167/42
- So, 35/10 + 20/42 = 167/42
In mixed form: 341/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/10+20/42 35/10+40/42 35/20+20/42 35/10+20/84 35/10+60/42 35/30+20/42 35/50+20/42 35/70+20/42