Add 6/8 and 21/28
6/8 + 21/28 is 3/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
6/8 = 6 × 7/8 × 7 = 42/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
21/28 = 21 × 2/28 × 2 = 42/56 - Add the two like fractions:
42/56 + 42/56 = 42 + 42/56 = 84/56 - 84/56 simplified gives 3/2
- So, 6/8 + 21/28 = 3/2
In mixed form: 11/2
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