Add 16/40 and 20/12
1st number: 16/40, 2nd number: 1 8/12
16/40 + 20/12 is 31/15.
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,
16/40 = 16 × 3/40 × 3 = 48/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
20/12 = 20 × 10/12 × 10 = 200/120 - Add the two like fractions:
48/120 + 200/120 = 48 + 200/120 = 248/120 - 248/120 simplified gives 31/15
- So, 16/40 + 20/12 = 31/15
In mixed form: 21/15
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