Add 48/30 and 21/84, Solve 1 18/30 + 21/84 as a fraction

Add 48/30 and 21/84

1^st number: 1 18/30, 2^nd number: 21/84

48/30 + 21/84 is 37/20.

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

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 30 × 14 = 420,
48/30 = 48 × 14/30 × 14 = 672/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
21/84 = 21 × 5/84 × 5 = 105/420
Add the two like fractions:
672/420 + 105/420 = 672 + 105/420 = 777/420
777/420 simplified gives 37/20
So, 48/30 + 21/84 = 37/20
In mixed form: 117/20

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