Add 35/30 and 9/21, Solve 1 5/30 + 9/21 as a fraction

Add 35/30 and 9/21

1^st number: 1 5/30, 2^nd number: 9/21

35/30 + 9/21 is 67/42.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 30 × 7 = 210,
35/30 = 35 × 7/30 × 7 = 245/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
9/21 = 9 × 10/21 × 10 = 90/210
Add the two like fractions:
245/210 + 90/210 = 245 + 90/210 = 335/210
335/210 simplified gives 67/42
So, 35/30 + 9/21 = 67/42
In mixed form: 125/42

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