Add 30/20 and 1/84, Solve 1 10/20 + 1/84 as a fraction

Add 30/20 and 1/84

1^st number: 1 10/20, 2^nd number: 1/84

30/20 + 1/84 is 127/84.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 84 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 20 × 21 = 420,
30/20 = 30 × 21/20 × 21 = 630/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
1/84 = 1 × 5/84 × 5 = 5/420
Add the two like fractions:
630/420 + 5/420 = 630 + 5/420 = 635/420
635/420 simplified gives 127/84
So, 30/20 + 1/84 = 127/84
In mixed form: 143/84

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