Add 45/21 and 1/4, Solve 2 3/21 + 1/4 as a fraction

Add 45/21 and 1/4

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

45/21 + 1/4 is 67/28.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 21 × 4 = 84,
45/21 = 45 × 4/21 × 4 = 180/84
Likewise, for the 2nd fraction, since 4 × 21 = 84,
1/4 = 1 × 21/4 × 21 = 21/84
Add the two like fractions:
180/84 + 21/84 = 180 + 21/84 = 201/84
201/84 simplified gives 67/28
So, 45/21 + 1/4 = 67/28
In mixed form: 211/28

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