Add 50/60 and 21/81
50/60 + 21/81 is 59/54.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 60 × 27 = 1620,
50/60 = 50 × 27/60 × 27 = 1350/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
21/81 = 21 × 20/81 × 20 = 420/1620 - Add the two like fractions:
1350/1620 + 420/1620 = 1350 + 420/1620 = 1770/1620 - 1770/1620 simplified gives 59/54
- So, 50/60 + 21/81 = 59/54
In mixed form: 15/54
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