Add 7/2 and 80/84
1st number: 3 1/2, 2nd number: 80/84
7/2 + 80/84 is 187/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
7/2 = 7 × 42/2 × 42 = 294/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
80/84 = 80 × 1/84 × 1 = 80/84 - Add the two like fractions:
294/84 + 80/84 = 294 + 80/84 = 374/84 - 374/84 simplified gives 187/42
- So, 7/2 + 80/84 = 187/42
In mixed form: 419/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/2+80/84 7/4+80/84 21/2+80/84 7/6+80/84 35/2+80/84 7/10+80/84 49/2+80/84 7/14+80/84