Add 70/12 and 7/80, Solve 5 10/12 + 7/80 as a fraction

Add 70/12 and 7/80

1^st number: 5 10/12, 2^nd number: 7/80

70/12 + 7/80 is 1421/240.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 80 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 12 × 20 = 240,
70/12 = 70 × 20/12 × 20 = 1400/240
Likewise, for the 2nd fraction, since 80 × 3 = 240,
7/80 = 7 × 3/80 × 3 = 21/240
Add the two like fractions:
1400/240 + 21/240 = 1400 + 21/240 = 1421/240
So, 70/12 + 7/80 = 1421/240
In mixed form: 5221/240

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