Add 28/84 and 49/30
1st number: 28/84, 2nd number: 1 19/30
28/84 + 49/30 is 59/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
28/84 = 28 × 5/84 × 5 = 140/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
49/30 = 49 × 14/30 × 14 = 686/420 - Add the two like fractions:
140/420 + 686/420 = 140 + 686/420 = 826/420 - 826/420 simplified gives 59/30
- So, 28/84 + 49/30 = 59/30
In mixed form: 129/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/84+49/30 28/84+98/30 28/84+49/60 28/84+49/90