Add 20/84 and 49/30, Solve 20/84 + 1 19/30 as a fraction

Add 20/84 and 49/30

1^st number: 20/84, 2^nd number: 1 19/30

20/84 + 49/30 is 131/70.

Find the least common denominator or LCM of the two denominators:
LCM of 84 and 30 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 84 × 5 = 420,
20/84 = 20 × 5/84 × 5 = 100/420
Likewise, for the 2nd fraction, since 30 × 14 = 420,
49/30 = 49 × 14/30 × 14 = 686/420
Add the two like fractions:
100/420 + 686/420 = 100 + 686/420 = 786/420
786/420 simplified gives 131/70
So, 20/84 + 49/30 = 131/70
In mixed form: 161/70

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