Add 72/20 and 9/25
1st number: 3 12/20, 2nd number: 9/25
72/20 + 9/25 is 99/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 25 is 100
Next, find the equivalent fraction of both fractional numbers with denominator 100 - For the 1st fraction, since 20 × 5 = 100,
72/20 = 72 × 5/20 × 5 = 360/100 - Likewise, for the 2nd fraction, since 25 × 4 = 100,
9/25 = 9 × 4/25 × 4 = 36/100 - Add the two like fractions:
360/100 + 36/100 = 360 + 36/100 = 396/100 - 396/100 simplified gives 99/25
- So, 72/20 + 9/25 = 99/25
In mixed form: 324/25
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