Add 20/45 and 54/64
20/45 + 54/64 is 371/288.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 64 is 2880
Next, find the equivalent fraction of both fractional numbers with denominator 2880 - For the 1st fraction, since 45 × 64 = 2880,
20/45 = 20 × 64/45 × 64 = 1280/2880 - Likewise, for the 2nd fraction, since 64 × 45 = 2880,
54/64 = 54 × 45/64 × 45 = 2430/2880 - Add the two like fractions:
1280/2880 + 2430/2880 = 1280 + 2430/2880 = 3710/2880 - 3710/2880 simplified gives 371/288
- So, 20/45 + 54/64 = 371/288
In mixed form: 183/288
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