Add 20/30 and 81/8
1st number: 20/30, 2nd number: 10 1/8
20/30 + 81/8 is 259/24.
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,
20/30 = 20 × 4/30 × 4 = 80/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
81/8 = 81 × 15/8 × 15 = 1215/120 - Add the two like fractions:
80/120 + 1215/120 = 80 + 1215/120 = 1295/120 - 1295/120 simplified gives 259/24
- So, 20/30 + 81/8 = 259/24
In mixed form: 1019/24
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