Add 40/15 and 21/80, Solve 2 10/15 + 21/80 as a fraction

Add 40/15 and 21/80

1^st number: 2 10/15, 2^nd number: 21/80

40/15 + 21/80 is 703/240.

Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 15 × 16 = 240,
40/15 = 40 × 16/15 × 16 = 640/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
21/80 = 21 × 3/80 × 3 = 63/240
Add the two like fractions:
640/240 + 63/240 = 640 + 63/240 = 703/240
So, 40/15 + 21/80 = 703/240
In mixed form: 2223/240

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