Add 40/54 and 81/90
40/54 + 81/90 is 443/270.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 54 × 5 = 270,
40/54 = 40 × 5/54 × 5 = 200/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
81/90 = 81 × 3/90 × 3 = 243/270 - Add the two like fractions:
200/270 + 243/270 = 200 + 243/270 = 443/270 - So, 40/54 + 81/90 = 443/270
In mixed form: 1173/270
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