Add 1/30 and 84/63, Solve 1/30 + 1 21/63 as a fraction

Add 1/30 and 84/63

1^st number: 1/30, 2^nd number: 1 21/63

1/30 + 84/63 is 41/30.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 30 × 21 = 630,
1/30 = 1 × 21/30 × 21 = 21/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
84/63 = 84 × 10/63 × 10 = 840/630
Add the two like fractions:
21/630 + 840/630 = 21 + 840/630 = 861/630
861/630 simplified gives 41/30
So, 1/30 + 84/63 = 41/30
In mixed form: 111/30

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