Add 72/80 and 84/75, Solve 72/80 + 1 9/75 as a fraction

Add 72/80 and 84/75

1^st number: 72/80, 2^nd number: 1 9/75

72/80 + 84/75 is 101/50.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 75 is 1200

Next, find the equivalent fraction of both fractional numbers with denominator 1200
For the 1st fraction, since 80 × 15 = 1200,
72/80 = 72 × 15/80 × 15 = 1080/1200
Likewise, for the 2nd fraction, since 75 × 16 = 1200,
84/75 = 84 × 16/75 × 16 = 1344/1200
Add the two like fractions:
1080/1200 + 1344/1200 = 1080 + 1344/1200 = 2424/1200
2424/1200 simplified gives 101/50
So, 72/80 + 84/75 = 101/50
In mixed form: 21/50

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