Add 45/54 and 10/90
45/54 + 10/90 is 17/18.
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,
45/54 = 45 × 5/54 × 5 = 225/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
10/90 = 10 × 3/90 × 3 = 30/270 - Add the two like fractions:
225/270 + 30/270 = 225 + 30/270 = 255/270 - 255/270 simplified gives 17/18
- So, 45/54 + 10/90 = 17/18
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