Add 3/72 and 9/7, Solve 3/72 + 1 2/7 as a fraction

Add 3/72 and 9/7

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

3/72 + 9/7 is 223/168.

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,
3/72 = 3 × 7/72 × 7 = 21/504
Likewise, for the 2nd fraction, since 7 × 72 = 504,
9/7 = 9 × 72/7 × 72 = 648/504
Add the two like fractions:
21/504 + 648/504 = 21 + 648/504 = 669/504
669/504 simplified gives 223/168
So, 3/72 + 9/7 = 223/168
In mixed form: 155/168

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