Add 81/84 and 70/64, Solve 81/84 + 1 6/64 as a fraction

Add 81/84 and 70/64

1^st number: 81/84, 2^nd number: 1 6/64

81/84 + 70/64 is 461/224.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 64 is 1344

Next, find the equivalent fraction of both fractional numbers with denominator 1344
For the 1st fraction, since 84 × 16 = 1344,
81/84 = 81 × 16/84 × 16 = 1296/1344
Likewise, for the 2nd fraction, since 64 × 21 = 1344,
70/64 = 70 × 21/64 × 21 = 1470/1344
Add the two like fractions:
1296/1344 + 1470/1344 = 1296 + 1470/1344 = 2766/1344
2766/1344 simplified gives 461/224
So, 81/84 + 70/64 = 461/224
In mixed form: 213/224

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