Add 25/3 and 42/45
1st number: 8 1/3, 2nd number: 42/45
25/3 + 42/45 is 139/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 3 × 15 = 45,
25/3 = 25 × 15/3 × 15 = 375/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
42/45 = 42 × 1/45 × 1 = 42/45 - Add the two like fractions:
375/45 + 42/45 = 375 + 42/45 = 417/45 - 417/45 simplified gives 139/15
- So, 25/3 + 42/45 = 139/15
In mixed form: 94/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/3+42/45 25/3+84/45 25/6+42/45 25/3+42/90 75/3+42/45 25/9+42/45 25/15+42/45 25/21+42/45