Add 60/20 and 98/21, Solve 3 0/20 + 4 14/21 as a fraction

Add 60/20 and 98/21

1^st number: 3 0/20, 2^nd number: 4 14/21

60/20 + 98/21 is 23/3.

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,
60/20 = 60 × 21/20 × 21 = 1260/420
Likewise, for the 2nd fraction, since 21 × 20 = 420,
98/21 = 98 × 20/21 × 20 = 1960/420
Add the two like fractions:
1260/420 + 1960/420 = 1260 + 1960/420 = 3220/420
3220/420 simplified gives 23/3
So, 60/20 + 98/21 = 23/3
In mixed form: 72/3

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