Add 20/75 and 42/45
20/75 + 42/45 is 6/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 45 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 75 × 3 = 225,
20/75 = 20 × 3/75 × 3 = 60/225 - Likewise, for the 2nd fraction, since 45 × 5 = 225,
42/45 = 42 × 5/45 × 5 = 210/225 - Add the two like fractions:
60/225 + 210/225 = 60 + 210/225 = 270/225 - 270/225 simplified gives 6/5
- So, 20/75 + 42/45 = 6/5
In mixed form: 11/5
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