Add 81/7 and 98/45, Solve 11 4/7 + 2 8/45 as a fraction

Add 81/7 and 98/45

1^st number: 11 4/7, 2^nd number: 2 8/45

81/7 + 98/45 is 4331/315.

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,
98/45 = 98 × 7/45 × 7 = 686/315
Add the two like fractions:
3645/315 + 686/315 = 3645 + 686/315 = 4331/315
So, 81/7 + 98/45 = 4331/315
In mixed form: 13236/315

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