Add 72/80 and 49/12, Solve 72/80 + 4 1/12 as a fraction

Add 72/80 and 49/12

1^st number: 72/80, 2^nd number: 4 1/12

72/80 + 49/12 is 299/60.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 12 is 240

Next, find the equivalent fraction of both fractional numbers with denominator 240
For the 1st fraction, since 80 × 3 = 240,
72/80 = 72 × 3/80 × 3 = 216/240
Likewise, for the 2nd fraction, since 12 × 20 = 240,
49/12 = 49 × 20/12 × 20 = 980/240
Add the two like fractions:
216/240 + 980/240 = 216 + 980/240 = 1196/240
1196/240 simplified gives 299/60
So, 72/80 + 49/12 = 299/60
In mixed form: 459/60

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