Add 12/18 and 21/60
12/18 + 21/60 is 61/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 18 × 10 = 180,
12/18 = 12 × 10/18 × 10 = 120/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
21/60 = 21 × 3/60 × 3 = 63/180 - Add the two like fractions:
120/180 + 63/180 = 120 + 63/180 = 183/180 - 183/180 simplified gives 61/60
- So, 12/18 + 21/60 = 61/60
In mixed form: 11/60
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