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

Add 2/20 and 98/21

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

2/20 + 98/21 is 143/30.

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

Next, find the equivalent fraction of both fractional numbers with denominator 420
For the 1st fraction, since 20 × 21 = 420,
2/20 = 2 × 21/20 × 21 = 42/420
Likewise, for the 2nd fraction, since 21 × 20 = 420,
98/21 = 98 × 20/21 × 20 = 1960/420
Add the two like fractions:
42/420 + 1960/420 = 42 + 1960/420 = 2002/420
2002/420 simplified gives 143/30
So, 2/20 + 98/21 = 143/30
In mixed form: 423/30

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