Add 64/60 and 21/9
1st number: 1 4/60, 2nd number: 2 3/9
64/60 + 21/9 is 17/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 9 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 60 × 3 = 180,
64/60 = 64 × 3/60 × 3 = 192/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
21/9 = 21 × 20/9 × 20 = 420/180 - Add the two like fractions:
192/180 + 420/180 = 192 + 420/180 = 612/180 - 612/180 simplified gives 17/5
- So, 64/60 + 21/9 = 17/5
In mixed form: 32/5
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