Add 7/72 and 45/49, Solve 7/72 + 45/49 as a fraction

Add 7/72 and 45/49

7/72 + 45/49 is 3583/3528.

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,
7/72 = 7 × 49/72 × 49 = 343/3528
Likewise, for the 2nd fraction, since 49 × 72 = 3528,
45/49 = 45 × 72/49 × 72 = 3240/3528
Add the two like fractions:
343/3528 + 3240/3528 = 343 + 3240/3528 = 3583/3528
So, 7/72 + 45/49 = 3583/3528
In mixed form: 155/3528

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