Add 40/90 and 45/54
40/90 + 45/54 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 54 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
40/90 = 40 × 3/90 × 3 = 120/270 - Likewise, for the 2nd fraction, since 54 × 5 = 270,
45/54 = 45 × 5/54 × 5 = 225/270 - Add the two like fractions:
120/270 + 225/270 = 120 + 225/270 = 345/270 - 345/270 simplified gives 23/18
- So, 40/90 + 45/54 = 23/18
In mixed form: 15/18
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