Add 81/72 and 40/49, Solve 1 9/72 + 40/49 as a fraction

Add 81/72 and 40/49

1^st number: 1 9/72, 2^nd number: 40/49

81/72 + 40/49 is 761/392.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 49 is 3528

Next, find the equivalent fraction of both fractional numbers with denominator 3528
For the 1st fraction, since 72 × 49 = 3528,
81/72 = 81 × 49/72 × 49 = 3969/3528
Likewise, for the 2nd fraction, since 49 × 72 = 3528,
40/49 = 40 × 72/49 × 72 = 2880/3528
Add the two like fractions:
3969/3528 + 2880/3528 = 3969 + 2880/3528 = 6849/3528
6849/3528 simplified gives 761/392
So, 81/72 + 40/49 = 761/392
In mixed form: 1369/392

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