Add 80/60 and 14/84
1st number: 1 20/60, 2nd number: 14/84
80/60 + 14/84 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 60 × 7 = 420,
80/60 = 80 × 7/60 × 7 = 560/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
14/84 = 14 × 5/84 × 5 = 70/420 - Add the two like fractions:
560/420 + 70/420 = 560 + 70/420 = 630/420 - 630/420 simplified gives 3/2
- So, 80/60 + 14/84 = 3/2
In mixed form: 11/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/60+28/84 80/60+42/84 80/60+70/84 80/60+98/84