Add 15/45 and 20/75
15/45 + 20/75 is 3/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 75 is 225
Next, find the equivalent fraction of both fractional numbers with denominator 225 - For the 1st fraction, since 45 × 5 = 225,
15/45 = 15 × 5/45 × 5 = 75/225 - Likewise, for the 2nd fraction, since 75 × 3 = 225,
20/75 = 20 × 3/75 × 3 = 60/225 - Add the two like fractions:
75/225 + 60/225 = 75 + 60/225 = 135/225 - 135/225 simplified gives 3/5
- So, 15/45 + 20/75 = 3/5
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