Add 18/30 and 12/8
1st number: 18/30, 2nd number: 1 4/8
18/30 + 12/8 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
18/30 = 18 × 4/30 × 4 = 72/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
12/8 = 12 × 15/8 × 15 = 180/120 - Add the two like fractions:
72/120 + 180/120 = 72 + 180/120 = 252/120 - 252/120 simplified gives 21/10
- So, 18/30 + 12/8 = 21/10
In mixed form: 21/10
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