Add 20/80 and 63/64
20/80 + 63/64 is 79/64.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 80 × 4 = 320,
20/80 = 20 × 4/80 × 4 = 80/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
63/64 = 63 × 5/64 × 5 = 315/320 - Add the two like fractions:
80/320 + 315/320 = 80 + 315/320 = 395/320 - 395/320 simplified gives 79/64
- So, 20/80 + 63/64 = 79/64
In mixed form: 115/64
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