Add 80/5 and 21/45
1st number: 16 0/5, 2nd number: 21/45
80/5 + 21/45 is 247/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 45 is 45
Next, find the equivalent fraction of both fractional numbers with denominator 45 - For the 1st fraction, since 5 × 9 = 45,
80/5 = 80 × 9/5 × 9 = 720/45 - Likewise, for the 2nd fraction, since 45 × 1 = 45,
21/45 = 21 × 1/45 × 1 = 21/45 - Add the two like fractions:
720/45 + 21/45 = 720 + 21/45 = 741/45 - 741/45 simplified gives 247/15
- So, 80/5 + 21/45 = 247/15
In mixed form: 167/15
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