Add 5/40 and 30/12
1st number: 5/40, 2nd number: 2 6/12
5/40 + 30/12 is 21/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
5/40 = 5 × 3/40 × 3 = 15/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
30/12 = 30 × 10/12 × 10 = 300/120 - Add the two like fractions:
15/120 + 300/120 = 15 + 300/120 = 315/120 - 315/120 simplified gives 21/8
- So, 5/40 + 30/12 = 21/8
In mixed form: 25/8
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