Add 56/21 and 98/20, Solve 2 14/21 + 4 18/20 as a fraction

Add 56/21 and 98/20

1^st number: 2 14/21, 2^nd number: 4 18/20

56/21 + 98/20 is 227/30.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 20 is 420

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 21 × 20 = 420,
56/21 = 56 × 20/21 × 20 = 1120/420
Likewise, for the 2nd fraction, since 20 × 21 = 420,
98/20 = 98 × 21/20 × 21 = 2058/420
Add the two like fractions:
1120/420 + 2058/420 = 1120 + 2058/420 = 3178/420
3178/420 simplified gives 227/30
So, 56/21 + 98/20 = 227/30
In mixed form: 717/30

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