Add 30/21 and 9/64, Solve 1 9/21 + 9/64 as a fraction

Add 30/21 and 9/64

1^st number: 1 9/21, 2^nd number: 9/64

30/21 + 9/64 is 703/448.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 64 is 1344

Next, find the equivalent fraction of both fractional numbers with denominator 1344
For the 1st fraction, since 21 × 64 = 1344,
30/21 = 30 × 64/21 × 64 = 1920/1344
Likewise, for the 2nd fraction, since 64 × 21 = 1344,
9/64 = 9 × 21/64 × 21 = 189/1344
Add the two like fractions:
1920/1344 + 189/1344 = 1920 + 189/1344 = 2109/1344
2109/1344 simplified gives 703/448
So, 30/21 + 9/64 = 703/448
In mixed form: 1255/448

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