Add 21/28 and 80/4
1st number: 21/28, 2nd number: 20 0/4
21/28 + 80/4 is 83/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 4 is 28
Next, find the equivalent fraction of both fractional numbers with denominator 28 - For the 1st fraction, since 28 × 1 = 28,
21/28 = 21 × 1/28 × 1 = 21/28 - Likewise, for the 2nd fraction, since 4 × 7 = 28,
80/4 = 80 × 7/4 × 7 = 560/28 - Add the two like fractions:
21/28 + 560/28 = 21 + 560/28 = 581/28 - 581/28 simplified gives 83/4
- So, 21/28 + 80/4 = 83/4
In mixed form: 203/4
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