Add 54/7 and 12/9, Solve 7 5/7 + 1 3/9 as a fraction

Add 54/7 and 12/9

1^st number: 7 5/7, 2^nd number: 1 3/9

54/7 + 12/9 is 190/21.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 9 is 63

Next, find the equivalent fraction of both fractional numbers with denominator 63
For the 1st fraction, since 7 × 9 = 63,
54/7 = 54 × 9/7 × 9 = 486/63
Likewise, for the 2nd fraction, since 9 × 7 = 63,
12/9 = 12 × 7/9 × 7 = 84/63
Add the two like fractions:
486/63 + 84/63 = 486 + 84/63 = 570/63
570/63 simplified gives 190/21
So, 54/7 + 12/9 = 190/21
In mixed form: 91/21

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