Add 16/28 and 80/21
1st number: 16/28, 2nd number: 3 17/21
16/28 + 80/21 is 92/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 21 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 28 × 3 = 84,
16/28 = 16 × 3/28 × 3 = 48/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
80/21 = 80 × 4/21 × 4 = 320/84 - Add the two like fractions:
48/84 + 320/84 = 48 + 320/84 = 368/84 - 368/84 simplified gives 92/21
- So, 16/28 + 80/21 = 92/21
In mixed form: 48/21
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