Add 30/8 and 12/40
1st number: 3 6/8, 2nd number: 12/40
30/8 + 12/40 is 81/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
30/8 = 30 × 5/8 × 5 = 150/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
12/40 = 12 × 1/40 × 1 = 12/40 - Add the two like fractions:
150/40 + 12/40 = 150 + 12/40 = 162/40 - 162/40 simplified gives 81/20
- So, 30/8 + 12/40 = 81/20
In mixed form: 41/20
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