Add 54/72 and 12/7, Solve 54/72 + 1 5/7 as a fraction

Add 54/72 and 12/7

1^st number: 54/72, 2^nd number: 1 5/7

54/72 + 12/7 is 69/28.

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,
54/72 = 54 × 7/72 × 7 = 378/504
Likewise, for the 2nd fraction, since 7 × 72 = 504,
12/7 = 12 × 72/7 × 72 = 864/504
Add the two like fractions:
378/504 + 864/504 = 378 + 864/504 = 1242/504
1242/504 simplified gives 69/28
So, 54/72 + 12/7 = 69/28
In mixed form: 213/28

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