Add 12/27 and 21/60
12/27 + 21/60 is 143/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 60 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 27 × 20 = 540,
12/27 = 12 × 20/27 × 20 = 240/540 - Likewise, for the 2nd fraction, since 60 × 9 = 540,
21/60 = 21 × 9/60 × 9 = 189/540 - Add the two like fractions:
240/540 + 189/540 = 240 + 189/540 = 429/540 - 429/540 simplified gives 143/180
- So, 12/27 + 21/60 = 143/180
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