Add 80/21 and 60/4
1st number: 3 17/21, 2nd number: 15 0/4
80/21 + 60/4 is 395/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
80/21 = 80 × 4/21 × 4 = 320/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
60/4 = 60 × 21/4 × 21 = 1260/84 - Add the two like fractions:
320/84 + 1260/84 = 320 + 1260/84 = 1580/84 - 1580/84 simplified gives 395/21
- So, 80/21 + 60/4 = 395/21
In mixed form: 1817/21
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