Add 18/32 and 9/20
18/32 + 9/20 is 81/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 32 and 20 is 160
Next, find the equivalent fraction of both fractional numbers with denominator 160 - For the 1st fraction, since 32 × 5 = 160,
18/32 = 18 × 5/32 × 5 = 90/160 - Likewise, for the 2nd fraction, since 20 × 8 = 160,
9/20 = 9 × 8/20 × 8 = 72/160 - Add the two like fractions:
90/160 + 72/160 = 90 + 72/160 = 162/160 - 162/160 simplified gives 81/80
- So, 18/32 + 9/20 = 81/80
In mixed form: 11/80
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