Add 72/42 and 9/35
1st number: 1 30/42, 2nd number: 9/35
72/42 + 9/35 is 69/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 35 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
72/42 = 72 × 5/42 × 5 = 360/210 - Likewise, for the 2nd fraction, since 35 × 6 = 210,
9/35 = 9 × 6/35 × 6 = 54/210 - Add the two like fractions:
360/210 + 54/210 = 360 + 54/210 = 414/210 - 414/210 simplified gives 69/35
- So, 72/42 + 9/35 = 69/35
In mixed form: 134/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/42+18/35 72/84+9/35 72/42+9/70 72/42+27/35 72/42+45/35 72/42+63/35