Add 48/9 and 45/21, Solve 5 3/9 + 2 3/21 as a fraction

Add 48/9 and 45/21

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

48/9 + 45/21 is 157/21.

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,
45/21 = 45 × 3/21 × 3 = 135/63
Add the two like fractions:
336/63 + 135/63 = 336 + 135/63 = 471/63
471/63 simplified gives 157/21
So, 48/9 + 45/21 = 157/21
In mixed form: 710/21

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