Add 20/84 and 50/75
20/84 + 50/75 is 19/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 75 is 2100
Next, find the equivalent fraction of both fractional numbers with denominator 2100 - For the 1st fraction, since 84 × 25 = 2100,
20/84 = 20 × 25/84 × 25 = 500/2100 - Likewise, for the 2nd fraction, since 75 × 28 = 2100,
50/75 = 50 × 28/75 × 28 = 1400/2100 - Add the two like fractions:
500/2100 + 1400/2100 = 500 + 1400/2100 = 1900/2100 - 1900/2100 simplified gives 19/21
- So, 20/84 + 50/75 = 19/21
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