Add 9/20 and 63/64
9/20 + 63/64 is 459/320.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 20 × 16 = 320,
9/20 = 9 × 16/20 × 16 = 144/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
63/64 = 63 × 5/64 × 5 = 315/320 - Add the two like fractions:
144/320 + 315/320 = 144 + 315/320 = 459/320 - So, 9/20 + 63/64 = 459/320
In mixed form: 1139/320
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