Add 4/28 and 5/21
4/28 + 5/21 is 8/21.
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,
4/28 = 4 × 3/28 × 3 = 12/84 - Likewise, for the 2nd fraction, since 21 × 4 = 84,
5/21 = 5 × 4/21 × 4 = 20/84 - Add the two like fractions:
12/84 + 20/84 = 12 + 20/84 = 32/84 - 32/84 simplified gives 8/21
- So, 4/28 + 5/21 = 8/21
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