Add 2/30 and 21/5
1st number: 2/30, 2nd number: 4 1/5
2/30 + 21/5 is 64/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 5 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
2/30 = 2 × 1/30 × 1 = 2/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
21/5 = 21 × 6/5 × 6 = 126/30 - Add the two like fractions:
2/30 + 126/30 = 2 + 126/30 = 128/30 - 128/30 simplified gives 64/15
- So, 2/30 + 21/5 = 64/15
In mixed form: 44/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/30+21/5 2/30+42/5 2/60+21/5 2/30+21/10 6/30+21/5 2/30+63/5 2/90+21/5 2/30+21/15 10/30+21/5 2/30+21/25 14/30+21/5 2/30+21/35