Add 70/12 and 18/28, Solve 5 10/12 + 18/28 as a fraction

Add 70/12 and 18/28

1^st number: 5 10/12, 2^nd number: 18/28

70/12 + 18/28 is 136/21.

Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 12 × 7 = 84,
70/12 = 70 × 7/12 × 7 = 490/84
Likewise, for the 2nd fraction, since 28 × 3 = 84,
18/28 = 18 × 3/28 × 3 = 54/84
Add the two like fractions:
490/84 + 54/84 = 490 + 54/84 = 544/84
544/84 simplified gives 136/21
So, 70/12 + 18/28 = 136/21
In mixed form: 610/21

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