Add 21/30 and 49/5
1st number: 21/30, 2nd number: 9 4/5
21/30 + 49/5 is 21/2.
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,
21/30 = 21 × 1/30 × 1 = 21/30 - Likewise, for the 2nd fraction, since 5 × 6 = 30,
49/5 = 49 × 6/5 × 6 = 294/30 - Add the two like fractions:
21/30 + 294/30 = 21 + 294/30 = 315/30 - 315/30 simplified gives 21/2
- So, 21/30 + 49/5 = 21/2
In mixed form: 101/2
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/30+49/5 21/30+98/5 21/60+49/5 21/30+49/10 63/30+49/5 21/90+49/5 21/30+49/15 21/30+49/25 21/30+49/35