Add 45/21 and 75/9, Solve 2 3/21 + 8 3/9 as a fraction

Add 45/21 and 75/9

1^st number: 2 3/21, 2^nd number: 8 3/9

45/21 + 75/9 is 220/21.

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

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 21 × 3 = 63,
45/21 = 45 × 3/21 × 3 = 135/63
Likewise, for the 2nd fraction, since 9 × 7 = 63,
75/9 = 75 × 7/9 × 7 = 525/63
Add the two like fractions:
135/63 + 525/63 = 135 + 525/63 = 660/63
660/63 simplified gives 220/21
So, 45/21 + 75/9 = 220/21
In mixed form: 1010/21

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