Add 45/60 and 18/90
45/60 + 18/90 is 19/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
45/60 = 45 × 3/60 × 3 = 135/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
18/90 = 18 × 2/90 × 2 = 36/180 - Add the two like fractions:
135/180 + 36/180 = 135 + 36/180 = 171/180 - 171/180 simplified gives 19/20
- So, 45/60 + 18/90 = 19/20
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