Add 18/64 and 45/20
1st number: 18/64, 2nd number: 2 5/20
18/64 + 45/20 is 81/32.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 20 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 64 × 5 = 320,
18/64 = 18 × 5/64 × 5 = 90/320 - Likewise, for the 2nd fraction, since 20 × 16 = 320,
45/20 = 45 × 16/20 × 16 = 720/320 - Add the two like fractions:
90/320 + 720/320 = 90 + 720/320 = 810/320 - 810/320 simplified gives 81/32
- So, 18/64 + 45/20 = 81/32
In mixed form: 217/32
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