Add 60/70 and 90/84, Solve 60/70 + 1 6/84 as a fraction

Add 60/70 and 90/84

1^st number: 60/70, 2^nd number: 1 6/84

60/70 + 90/84 is 27/14.

Find the least common denominator or LCM of the two denominators:
LCM of 70 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 70 × 6 = 420,
60/70 = 60 × 6/70 × 6 = 360/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
90/84 = 90 × 5/84 × 5 = 450/420
Add the two like fractions:
360/420 + 450/420 = 360 + 450/420 = 810/420
810/420 simplified gives 27/14
So, 60/70 + 90/84 = 27/14
In mixed form: 113/14

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