Add 12/72 and 45/7, Solve 12/72 + 6 3/7 as a fraction

Add 12/72 and 45/7

1^st number: 12/72, 2^nd number: 6 3/7

12/72 + 45/7 is 277/42.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 7 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 72 × 7 = 504,
12/72 = 12 × 7/72 × 7 = 84/504
Likewise, for the 2nd fraction, since 7 × 72 = 504,
45/7 = 45 × 72/7 × 72 = 3240/504
Add the two like fractions:
84/504 + 3240/504 = 84 + 3240/504 = 3324/504
3324/504 simplified gives 277/42
So, 12/72 + 45/7 = 277/42
In mixed form: 625/42

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