Add 18/6 and 42/80
1st number: 3 0/6, 2nd number: 42/80
18/6 + 42/80 is 141/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 6 × 40 = 240,
18/6 = 18 × 40/6 × 40 = 720/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240 - Add the two like fractions:
720/240 + 126/240 = 720 + 126/240 = 846/240 - 846/240 simplified gives 141/40
- So, 18/6 + 42/80 = 141/40
In mixed form: 321/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/6+42/80 18/6+84/80 18/12+42/80 54/6+42/80 90/6+42/80 18/30+42/80 18/42+42/80