Add 70/75 and 21/5
1st number: 70/75, 2nd number: 4 1/5
70/75 + 21/5 is 77/15.
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,
70/75 = 70 × 1/75 × 1 = 70/75 - Likewise, for the 2nd fraction, since 5 × 15 = 75,
21/5 = 21 × 15/5 × 15 = 315/75 - Add the two like fractions:
70/75 + 315/75 = 70 + 315/75 = 385/75 - 385/75 simplified gives 77/15
- So, 70/75 + 21/5 = 77/15
In mixed form: 52/15
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