Add 21/28 and 2/4
21/28 + 2/4 is 5/4.
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,
2/4 = 2 × 7/4 × 7 = 14/28 - Add the two like fractions:
21/28 + 14/28 = 21 + 14/28 = 35/28 - 35/28 simplified gives 5/4
- So, 21/28 + 2/4 = 5/4
In mixed form: 11/4
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