Add 40/35 and 9/42
1st number: 1 5/35, 2nd number: 9/42
40/35 + 9/42 is 19/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 35 × 6 = 210,
40/35 = 40 × 6/35 × 6 = 240/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210 - Add the two like fractions:
240/210 + 45/210 = 240 + 45/210 = 285/210 - 285/210 simplified gives 19/14
- So, 40/35 + 9/42 = 19/14
In mixed form: 15/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/35+9/42 40/35+18/42 40/70+9/42 40/35+9/84 40/35+27/42 40/35+45/42 40/35+63/42