Add 75/20 and 72/9
1st number: 3 15/20, 2nd number: 8 0/9
75/20 + 72/9 is 47/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
75/20 = 75 × 9/20 × 9 = 675/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
72/9 = 72 × 20/9 × 20 = 1440/180 - Add the two like fractions:
675/180 + 1440/180 = 675 + 1440/180 = 2115/180 - 2115/180 simplified gives 47/4
- So, 75/20 + 72/9 = 47/4
In mixed form: 113/4
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