Add 72/20 and 60/64
1st number: 3 12/20, 2nd number: 60/64
72/20 + 60/64 is 363/80.
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,
72/20 = 72 × 16/20 × 16 = 1152/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
60/64 = 60 × 5/64 × 5 = 300/320 - Add the two like fractions:
1152/320 + 300/320 = 1152 + 300/320 = 1452/320 - 1452/320 simplified gives 363/80
- So, 72/20 + 60/64 = 363/80
In mixed form: 443/80
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