Add 75/72 and 72/80, Solve 1 3/72 + 72/80 as a fraction

Add 75/72 and 72/80

1^st number: 1 3/72, 2^nd number: 72/80

75/72 + 72/80 is 233/120.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 80 is 720

Next, find the equivalent fraction of both fractional numbers with denominator 720
For the 1st fraction, since 72 × 10 = 720,
75/72 = 75 × 10/72 × 10 = 750/720
Likewise, for the 2nd fraction, since 80 × 9 = 720,
72/80 = 72 × 9/80 × 9 = 648/720
Add the two like fractions:
750/720 + 648/720 = 750 + 648/720 = 1398/720
1398/720 simplified gives 233/120
So, 75/72 + 72/80 = 233/120
In mixed form: 1113/120

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