Add 98/20 and 9/84, Solve 4 18/20 + 9/84 as a fraction

Add 98/20 and 9/84

1^st number: 4 18/20, 2^nd number: 9/84

98/20 + 9/84 is 701/140.

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,
98/20 = 98 × 21/20 × 21 = 2058/420
Likewise, for the 2nd fraction, since 84 × 5 = 420,
9/84 = 9 × 5/84 × 5 = 45/420
Add the two like fractions:
2058/420 + 45/420 = 2058 + 45/420 = 2103/420
2103/420 simplified gives 701/140
So, 98/20 + 9/84 = 701/140
In mixed form: 51/140

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