Add 49/5 and 30/21
1st number: 9 4/5, 2nd number: 1 9/21
49/5 + 30/21 is 393/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 21 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 5 × 21 = 105,
49/5 = 49 × 21/5 × 21 = 1029/105 - Likewise, for the 2nd fraction, since 21 × 5 = 105,
30/21 = 30 × 5/21 × 5 = 150/105 - Add the two like fractions:
1029/105 + 150/105 = 1029 + 150/105 = 1179/105 - 1179/105 simplified gives 393/35
- So, 49/5 + 30/21 = 393/35
In mixed form: 118/35
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