Add 20/50 and 15/45
20/50 + 15/45 is 11/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 45 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
20/50 = 20 × 9/50 × 9 = 180/450 - Likewise, for the 2nd fraction, since 45 × 10 = 450,
15/45 = 15 × 10/45 × 10 = 150/450 - Add the two like fractions:
180/450 + 150/450 = 180 + 150/450 = 330/450 - 330/450 simplified gives 11/15
- So, 20/50 + 15/45 = 11/15
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