Add 18/45 and 20/32
18/45 + 20/32 is 41/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 32 is 1440
Next, find the equivalent fraction of both fractional numbers with denominator 1440 - For the 1st fraction, since 45 × 32 = 1440,
18/45 = 18 × 32/45 × 32 = 576/1440 - Likewise, for the 2nd fraction, since 32 × 45 = 1440,
20/32 = 20 × 45/32 × 45 = 900/1440 - Add the two like fractions:
576/1440 + 900/1440 = 576 + 900/1440 = 1476/1440 - 1476/1440 simplified gives 41/40
- So, 18/45 + 20/32 = 41/40
In mixed form: 11/40
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