Add 28/60 and 4/81
28/60 + 4/81 is 209/405.
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,
28/60 = 28 × 27/60 × 27 = 756/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
4/81 = 4 × 20/81 × 20 = 80/1620 - Add the two like fractions:
756/1620 + 80/1620 = 756 + 80/1620 = 836/1620 - 836/1620 simplified gives 209/405
- So, 28/60 + 4/81 = 209/405
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