Add 35/42 and 75/30
1st number: 35/42, 2nd number: 2 15/30
35/42 + 75/30 is 10/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 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 30 × 7 = 210,
75/30 = 75 × 7/30 × 7 = 525/210 - Add the two like fractions:
175/210 + 525/210 = 175 + 525/210 = 700/210 - 700/210 simplified gives 10/3
- So, 35/42 + 75/30 = 10/3
In mixed form: 31/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/42+75/30 35/84+75/30 35/42+75/60 35/42+75/90