Add 30/45 and 42/16
1st number: 30/45, 2nd number: 2 10/16
30/45 + 42/16 is 79/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
30/45 = 30 × 16/45 × 16 = 480/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
42/16 = 42 × 45/16 × 45 = 1890/720 - Add the two like fractions:
480/720 + 1890/720 = 480 + 1890/720 = 2370/720 - 2370/720 simplified gives 79/24
- So, 30/45 + 42/16 = 79/24
In mixed form: 37/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45+42/16 30/45+84/16 30/90+42/16 30/45+42/32 90/45+42/16 30/45+42/48 30/45+42/80