Add 18/30 and 28/8
1st number: 18/30, 2nd number: 3 4/8
18/30 + 28/8 is 41/10.
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,
28/8 = 28 × 15/8 × 15 = 420/120 - Add the two like fractions:
72/120 + 420/120 = 72 + 420/120 = 492/120 - 492/120 simplified gives 41/10
- So, 18/30 + 28/8 = 41/10
In mixed form: 41/10
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