Add 30/21 and 49/5
1st number: 1 9/21, 2nd number: 9 4/5
30/21 + 49/5 is 393/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 5 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 21 × 5 = 105,
30/21 = 30 × 5/21 × 5 = 150/105 - Likewise, for the 2nd fraction, since 5 × 21 = 105,
49/5 = 49 × 21/5 × 21 = 1029/105 - Add the two like fractions:
150/105 + 1029/105 = 150 + 1029/105 = 1179/105 - 1179/105 simplified gives 393/35
- So, 30/21 + 49/5 = 393/35
In mixed form: 118/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/21+49/5 30/21+98/5 30/42+49/5 30/21+49/10 90/21+49/5 30/63+49/5 30/21+49/15 30/21+49/25 30/21+49/35