Add 42/3 and 45/80
1st number: 14 0/3, 2nd number: 45/80
42/3 + 45/80 is 233/16.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 3 × 80 = 240,
42/3 = 42 × 80/3 × 80 = 3360/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
45/80 = 45 × 3/80 × 3 = 135/240 - Add the two like fractions:
3360/240 + 135/240 = 3360 + 135/240 = 3495/240 - 3495/240 simplified gives 233/16
- So, 42/3 + 45/80 = 233/16
In mixed form: 149/16
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/3+45/80 42/3+90/80 42/6+45/80 42/9+45/80 42/15+45/80 42/21+45/80