Add 21/28 and 27/50
21/28 + 27/50 is 129/100.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 50 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 28 × 25 = 700,
21/28 = 21 × 25/28 × 25 = 525/700 - Likewise, for the 2nd fraction, since 50 × 14 = 700,
27/50 = 27 × 14/50 × 14 = 378/700 - Add the two like fractions:
525/700 + 378/700 = 525 + 378/700 = 903/700 - 903/700 simplified gives 129/100
- So, 21/28 + 27/50 = 129/100
In mixed form: 129/100
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