Add 40/90 and 18/30
40/90 + 18/30 is 47/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
40/90 = 40 × 1/90 × 1 = 40/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
18/30 = 18 × 3/30 × 3 = 54/90 - Add the two like fractions:
40/90 + 54/90 = 40 + 54/90 = 94/90 - 94/90 simplified gives 47/45
- So, 40/90 + 18/30 = 47/45
In mixed form: 12/45
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