Add 4/45 and 42/15
1st number: 4/45, 2nd number: 2 12/15
4/45 + 42/15 is 26/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 15 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 45 × 1 = 45,
4/45 = 4 × 1/45 × 1 = 4/45 - Likewise, for the 2nd fraction, since 15 × 3 = 45,
42/15 = 42 × 3/15 × 3 = 126/45 - Add the two like fractions:
4/45 + 126/45 = 4 + 126/45 = 130/45 - 130/45 simplified gives 26/9
- So, 4/45 + 42/15 = 26/9
In mixed form: 28/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/45+42/15 4/45+84/15 4/90+42/15 4/45+42/30 12/45+42/15 4/45+42/45 20/45+42/15 4/45+42/75 28/45+42/15