Add 75/72 and 70/42, Solve 1 3/72 + 1 28/42 as a fraction

Add 75/72 and 70/42

1^st number: 1 3/72, 2^nd number: 1 28/42

75/72 + 70/42 is 65/24.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 42 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 72 × 7 = 504,
75/72 = 75 × 7/72 × 7 = 525/504
Likewise, for the 2nd fraction, since 42 × 12 = 504,
70/42 = 70 × 12/42 × 12 = 840/504
Add the two like fractions:
525/504 + 840/504 = 525 + 840/504 = 1365/504
1365/504 simplified gives 65/24
So, 75/72 + 70/42 = 65/24
In mixed form: 217/24

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