Add 15/20 and 63/64
15/20 + 63/64 is 111/64.
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,
15/20 = 15 × 16/20 × 16 = 240/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
63/64 = 63 × 5/64 × 5 = 315/320 - Add the two like fractions:
240/320 + 315/320 = 240 + 315/320 = 555/320 - 555/320 simplified gives 111/64
- So, 15/20 + 63/64 = 111/64
In mixed form: 147/64
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