Add 35/42 and 84/10
1st number: 35/42, 2nd number: 8 4/10
35/42 + 84/10 is 277/30.
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,
35/42 = 35 × 5/42 × 5 = 175/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
84/10 = 84 × 21/10 × 21 = 1764/210 - Add the two like fractions:
175/210 + 1764/210 = 175 + 1764/210 = 1939/210 - 1939/210 simplified gives 277/30
- So, 35/42 + 84/10 = 277/30
In mixed form: 97/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42+84/10 35/84+84/10 35/42+84/20 35/42+84/30 35/42+84/50 35/42+84/70