Add 28/30 and 14/84
28/30 + 14/84 is 11/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 84 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
28/30 = 28 × 14/30 × 14 = 392/420 - Likewise, for the 2nd fraction, since 84 × 5 = 420,
14/84 = 14 × 5/84 × 5 = 70/420 - Add the two like fractions:
392/420 + 70/420 = 392 + 70/420 = 462/420 - 462/420 simplified gives 11/10
- So, 28/30 + 14/84 = 11/10
In mixed form: 11/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30+14/84 28/30+28/84 28/60+14/84 84/30+14/84 28/30+42/84 28/90+14/84 28/30+70/84 28/30+98/84