Add 80/60 and 7/84, Solve 1 20/60 + 7/84 as a fraction

Add 80/60 and 7/84

1^st number: 1 20/60, 2^nd number: 7/84

80/60 + 7/84 is 17/12.

Find the least common denominator or LCM of the two denominators:
LCM of 60 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 60 × 7 = 420,
80/60 = 80 × 7/60 × 7 = 560/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
7/84 = 7 × 5/84 × 5 = 35/420
Add the two like fractions:
560/420 + 35/420 = 560 + 35/420 = 595/420
595/420 simplified gives 17/12
So, 80/60 + 7/84 = 17/12
In mixed form: 15/12

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