Add 72/10 and 9/90, Solve 7 2/10 + 9/90 as a fraction

Add 72/10 and 9/90

1^st number: 7 2/10, 2^nd number: 9/90

72/10 + 9/90 is 73/10.

Find the least common denominator or LCM of the two denominators:
LCM of 10 and 90 is 90

Next, find the equivalent fraction of both fractional numbers with denominator 90
For the 1st fraction, since 10 × 9 = 90,
72/10 = 72 × 9/10 × 9 = 648/90
Likewise, for the 2nd fraction, since 90 × 1 = 90,
9/90 = 9 × 1/90 × 1 = 9/90
Add the two like fractions:
648/90 + 9/90 = 648 + 9/90 = 657/90
657/90 simplified gives 73/10
So, 72/10 + 9/90 = 73/10
In mixed form: 73/10

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