Add 28/80 and 63/30
1st number: 28/80, 2nd number: 2 3/30
28/80 + 63/30 is 49/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
28/80 = 28 × 3/80 × 3 = 84/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
63/30 = 63 × 8/30 × 8 = 504/240 - Add the two like fractions:
84/240 + 504/240 = 84 + 504/240 = 588/240 - 588/240 simplified gives 49/20
- So, 28/80 + 63/30 = 49/20
In mixed form: 29/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/80+63/30 28/80+63/60 84/80+63/30 28/80+63/90