Add 1/45 and 42/35
1st number: 1/45, 2nd number: 1 7/35
1/45 + 42/35 is 11/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 35 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
1/45 = 1 × 7/45 × 7 = 7/315 - Likewise, for the 2nd fraction, since 35 × 9 = 315,
42/35 = 42 × 9/35 × 9 = 378/315 - Add the two like fractions:
7/315 + 378/315 = 7 + 378/315 = 385/315 - 385/315 simplified gives 11/9
- So, 1/45 + 42/35 = 11/9
In mixed form: 12/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/45+42/35 1/45+84/35 1/90+42/35 1/45+42/70 3/45+42/35 5/45+42/35 7/45+42/35