Add 20/64 and 36/45
20/64 + 36/45 is 89/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 45 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 64 × 45 = 2880,
20/64 = 20 × 45/64 × 45 = 900/2880 - Likewise, for the 2nd fraction, since 45 × 64 = 2880,
36/45 = 36 × 64/45 × 64 = 2304/2880 - Add the two like fractions:
900/2880 + 2304/2880 = 900 + 2304/2880 = 3204/2880 - 3204/2880 simplified gives 89/80
- So, 20/64 + 36/45 = 89/80
In mixed form: 19/80
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