Add 1/3 and 42/80
1/3 + 42/80 is 103/120.
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,
1/3 = 1 × 80/3 × 80 = 80/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240 - Add the two like fractions:
80/240 + 126/240 = 80 + 126/240 = 206/240 - 206/240 simplified gives 103/120
- So, 1/3 + 42/80 = 103/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/3+42/80 1/3+84/80 1/6+42/80 1/9+42/80 5/3+42/80 1/15+42/80 7/3+42/80 1/21+42/80