Add 15/27 and 20/45
15/27 + 20/45 is 1/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 45 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
15/27 = 15 × 5/27 × 5 = 75/135 - Likewise, for the 2nd fraction, since 45 × 3 = 135,
20/45 = 20 × 3/45 × 3 = 60/135 - Add the two like fractions:
75/135 + 60/135 = 75 + 60/135 = 135/135 - 135/135 simplified gives 1/1
- So, 15/27 + 20/45 = 1/1
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