Add 56/21 and 80/4
1st number: 2 14/21, 2nd number: 20 0/4
56/21 + 80/4 is 68/3.
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,
56/21 = 56 × 4/21 × 4 = 224/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
80/4 = 80 × 21/4 × 21 = 1680/84 - Add the two like fractions:
224/84 + 1680/84 = 224 + 1680/84 = 1904/84 - 1904/84 simplified gives 68/3
- So, 56/21 + 80/4 = 68/3
In mixed form: 222/3
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