Add 72/75 and 21/5
1st number: 72/75, 2nd number: 4 1/5
72/75 + 21/5 is 129/25.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 5 is 75
Next, find the equivalent fraction of both fractional numbers with denominator 75 - For the 1st fraction, since 75 × 1 = 75,
72/75 = 72 × 1/75 × 1 = 72/75 - Likewise, for the 2nd fraction, since 5 × 15 = 75,
21/5 = 21 × 15/5 × 15 = 315/75 - Add the two like fractions:
72/75 + 315/75 = 72 + 315/75 = 387/75 - 387/75 simplified gives 129/25
- So, 72/75 + 21/5 = 129/25
In mixed form: 54/25
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