Add 54/6 and 70/21, Solve 9 0/6 + 3 7/21 as a fraction

Add 54/6 and 70/21

1^st number: 9 0/6, 2^nd number: 3 7/21

54/6 + 70/21 is 37/3.

Find the least common denominator or LCM of the two denominators:
LCM of 6 and 21 is 42

Next, find the equivalent fraction of both fractional numbers with denominator 42
For the 1st fraction, since 6 × 7 = 42,
54/6 = 54 × 7/6 × 7 = 378/42
Likewise, for the 2nd fraction, since 21 × 2 = 42,
70/21 = 70 × 2/21 × 2 = 140/42
Add the two like fractions:
378/42 + 140/42 = 378 + 140/42 = 518/42
518/42 simplified gives 37/3
So, 54/6 + 70/21 = 37/3
In mixed form: 121/3

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