Add 28/30 and 63/20
1st number: 28/30, 2nd number: 3 3/20
28/30 + 63/20 is 49/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
28/30 = 28 × 2/30 × 2 = 56/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
63/20 = 63 × 3/20 × 3 = 189/60 - Add the two like fractions:
56/60 + 189/60 = 56 + 189/60 = 245/60 - 245/60 simplified gives 49/12
- So, 28/30 + 63/20 = 49/12
In mixed form: 41/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/30+63/20 28/60+63/20 28/30+63/40 84/30+63/20 28/90+63/20 28/30+63/60