Add 21/40 and 8/6
1st number: 21/40, 2nd number: 1 2/6
21/40 + 8/6 is 223/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 6 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
21/40 = 21 × 3/40 × 3 = 63/120 - Likewise, for the 2nd fraction, since 6 × 20 = 120,
8/6 = 8 × 20/6 × 20 = 160/120 - Add the two like fractions:
63/120 + 160/120 = 63 + 160/120 = 223/120 - So, 21/40 + 8/6 = 223/120
In mixed form: 1103/120
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