Add 18/15 and 30/10
1st number: 1 3/15, 2nd number: 3 0/10
18/15 + 30/10 is 21/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 10 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 15 × 2 = 30,
18/15 = 18 × 2/15 × 2 = 36/30 - Likewise, for the 2nd fraction, since 10 × 3 = 30,
30/10 = 30 × 3/10 × 3 = 90/30 - Add the two like fractions:
36/30 + 90/30 = 36 + 90/30 = 126/30 - 126/30 simplified gives 21/5
- So, 18/15 + 30/10 = 21/5
In mixed form: 41/5
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