Add 45/35 and 9/42
1st number: 1 10/35, 2nd number: 9/42
45/35 + 9/42 is 3/2.
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,
45/35 = 45 × 6/35 × 6 = 270/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
9/42 = 9 × 5/42 × 5 = 45/210 - Add the two like fractions:
270/210 + 45/210 = 270 + 45/210 = 315/210 - 315/210 simplified gives 3/2
- So, 45/35 + 9/42 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/35+9/42 45/35+18/42 45/70+9/42 45/35+9/84 45/35+27/42 45/35+45/42 45/35+63/42