Add 30/28 and 5/72, Solve 1 2/28 + 5/72 as a fraction

Add 30/28 and 5/72

1^st number: 1 2/28, 2^nd number: 5/72

30/28 + 5/72 is 575/504.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 28 × 18 = 504,
30/28 = 30 × 18/28 × 18 = 540/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
5/72 = 5 × 7/72 × 7 = 35/504
Add the two like fractions:
540/504 + 35/504 = 540 + 35/504 = 575/504
So, 30/28 + 5/72 = 575/504
In mixed form: 171/504

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