Add 30/50 and 21/28
30/50 + 21/28 is 27/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 28 is 700
Next, find the equivalent fraction of both fractional numbers with denominator 700 - For the 1st fraction, since 50 × 14 = 700,
30/50 = 30 × 14/50 × 14 = 420/700 - Likewise, for the 2nd fraction, since 28 × 25 = 700,
21/28 = 21 × 25/28 × 25 = 525/700 - Add the two like fractions:
420/700 + 525/700 = 420 + 525/700 = 945/700 - 945/700 simplified gives 27/20
- So, 30/50 + 21/28 = 27/20
In mixed form: 17/20
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