Add 72/42 and 49/72, Solve 1 30/42 + 49/72 as a fraction

Add 72/42 and 49/72

1^st number: 1 30/42, 2^nd number: 49/72

72/42 + 49/72 is 1207/504.

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

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 42 × 12 = 504,
72/42 = 72 × 12/42 × 12 = 864/504
Likewise, for the 2nd fraction, since 72 × 7 = 504,
49/72 = 49 × 7/72 × 7 = 343/504
Add the two like fractions:
864/504 + 343/504 = 864 + 343/504 = 1207/504
So, 72/42 + 49/72 = 1207/504
In mixed form: 2199/504

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