Add 48/9 and 25/21, Solve 5 3/9 + 1 4/21 as a fraction

Add 48/9 and 25/21

1^st number: 5 3/9, 2^nd number: 1 4/21

48/9 + 25/21 is 137/21.

Find the least common denominator or LCM of the two denominators:
LCM of 9 and 21 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 9 × 7 = 63,
48/9 = 48 × 7/9 × 7 = 336/63
Likewise, for the 2nd fraction, since 21 × 3 = 63,
25/21 = 25 × 3/21 × 3 = 75/63
Add the two like fractions:
336/63 + 75/63 = 336 + 75/63 = 411/63
411/63 simplified gives 137/21
So, 48/9 + 25/21 = 137/21
In mixed form: 611/21

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