Add 20/75 and 21/36
20/75 + 21/36 is 17/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 36 is 900
Next, find the equivalent fraction of both fractional numbers with denominator 900 - For the 1st fraction, since 75 × 12 = 900,
20/75 = 20 × 12/75 × 12 = 240/900 - Likewise, for the 2nd fraction, since 36 × 25 = 900,
21/36 = 21 × 25/36 × 25 = 525/900 - Add the two like fractions:
240/900 + 525/900 = 240 + 525/900 = 765/900 - 765/900 simplified gives 17/20
- So, 20/75 + 21/36 = 17/20
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