Add 30/21 and 3/35, Solve 1 9/21 + 3/35 as a fraction

Add 30/21 and 3/35

1^st number: 1 9/21, 2^nd number: 3/35

30/21 + 3/35 is 53/35.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 35 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 35 × 3 = 105,
3/35 = 3 × 3/35 × 3 = 9/105
Add the two like fractions:
150/105 + 9/105 = 150 + 9/105 = 159/105
159/105 simplified gives 53/35
So, 30/21 + 3/35 = 53/35
In mixed form: 118/35

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