Add 64/5 and 70/16
1st number: 12 4/5, 2nd number: 4 6/16
64/5 + 70/16 is 687/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 5 × 16 = 80,
64/5 = 64 × 16/5 × 16 = 1024/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
70/16 = 70 × 5/16 × 5 = 350/80 - Add the two like fractions:
1024/80 + 350/80 = 1024 + 350/80 = 1374/80 - 1374/80 simplified gives 687/40
- So, 64/5 + 70/16 = 687/40
In mixed form: 177/40
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