Add 1/42 and 35/10
1st number: 1/42, 2nd number: 3 5/10
1/42 + 35/10 is 74/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
1/42 = 1 × 5/42 × 5 = 5/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
35/10 = 35 × 21/10 × 21 = 735/210 - Add the two like fractions:
5/210 + 735/210 = 5 + 735/210 = 740/210 - 740/210 simplified gives 74/21
- So, 1/42 + 35/10 = 74/21
In mixed form: 311/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/42+35/10 1/42+70/10 1/84+35/10 1/42+35/20 3/42+35/10 1/42+35/30 5/42+35/10 1/42+35/50 7/42+35/10 1/42+35/70