Add 81/7 and 10/45, Solve 11 4/7 + 10/45 as a fraction

Add 81/7 and 10/45

1^st number: 11 4/7, 2^nd number: 10/45

81/7 + 10/45 is 743/63.

Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315

Next, find the equivalent fraction of both fractional numbers with denominator 315
For the 1st fraction, since 7 × 45 = 315,
81/7 = 81 × 45/7 × 45 = 3645/315
Likewise, for the 2nd fraction, since 45 × 7 = 315,
10/45 = 10 × 7/45 × 7 = 70/315
Add the two like fractions:
3645/315 + 70/315 = 3645 + 70/315 = 3715/315
3715/315 simplified gives 743/63
So, 81/7 + 10/45 = 743/63
In mixed form: 1150/63

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