Add 7/20 and 12/27
7/20 + 12/27 is 143/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
7/20 = 7 × 27/20 × 27 = 189/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
12/27 = 12 × 20/27 × 20 = 240/540 - Add the two like fractions:
189/540 + 240/540 = 189 + 240/540 = 429/540 - 429/540 simplified gives 143/180
- So, 7/20 + 12/27 = 143/180
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