Add 80/75 and 21/5
1st number: 1 5/75, 2nd number: 4 1/5
80/75 + 21/5 is 79/15.
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,
80/75 = 80 × 1/75 × 1 = 80/75 - Likewise, for the 2nd fraction, since 5 × 15 = 75,
21/5 = 21 × 15/5 × 15 = 315/75 - Add the two like fractions:
80/75 + 315/75 = 80 + 315/75 = 395/75 - 395/75 simplified gives 79/15
- So, 80/75 + 21/5 = 79/15
In mixed form: 54/15
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