Add 80/28 and 1/42
1st number: 2 24/28, 2nd number: 1/42
80/28 + 1/42 is 121/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
80/28 = 80 × 3/28 × 3 = 240/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
1/42 = 1 × 2/42 × 2 = 2/84 - Add the two like fractions:
240/84 + 2/84 = 240 + 2/84 = 242/84 - 242/84 simplified gives 121/42
- So, 80/28 + 1/42 = 121/42
In mixed form: 237/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/28+2/42 80/56+1/42 80/28+1/84 80/28+3/42 80/84+1/42 80/28+5/42 80/28+7/42