Add 21/60 and 60/9
1st number: 21/60, 2nd number: 6 6/9
21/60 + 60/9 is 421/60.
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,
21/60 = 21 × 3/60 × 3 = 63/180 - Likewise, for the 2nd fraction, since 9 × 20 = 180,
60/9 = 60 × 20/9 × 20 = 1200/180 - Add the two like fractions:
63/180 + 1200/180 = 63 + 1200/180 = 1263/180 - 1263/180 simplified gives 421/60
- So, 21/60 + 60/9 = 421/60
In mixed form: 71/60
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