Add 18/60 and 20/45
18/60 + 20/45 is 67/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
18/60 = 18 × 3/60 × 3 = 54/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
20/45 = 20 × 4/45 × 4 = 80/180 - Add the two like fractions:
54/180 + 80/180 = 54 + 80/180 = 134/180 - 134/180 simplified gives 67/90
- So, 18/60 + 20/45 = 67/90
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