Add 18/10 and 21/60
1st number: 1 8/10, 2nd number: 21/60
18/10 + 21/60 is 43/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 60 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 10 × 6 = 60,
18/10 = 18 × 6/10 × 6 = 108/60 - Likewise, for the 2nd fraction, since 60 × 1 = 60,
21/60 = 21 × 1/60 × 1 = 21/60 - Add the two like fractions:
108/60 + 21/60 = 108 + 21/60 = 129/60 - 129/60 simplified gives 43/20
- So, 18/10 + 21/60 = 43/20
In mixed form: 23/20
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