Add 70/6 and 21/80, Solve 11 4/6 + 21/80 as a fraction

Add 70/6 and 21/80

1^st number: 11 4/6, 2^nd number: 21/80

70/6 + 21/80 is 2863/240.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 6 × 40 = 240,
70/6 = 70 × 40/6 × 40 = 2800/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
21/80 = 21 × 3/80 × 3 = 63/240
Add the two like fractions:
2800/240 + 63/240 = 2800 + 63/240 = 2863/240
So, 70/6 + 21/80 = 2863/240
In mixed form: 11223/240

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