Add 6/20 and 21/8
1st number: 6/20, 2nd number: 2 5/8
6/20 + 21/8 is 117/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
6/20 = 6 × 2/20 × 2 = 12/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
21/8 = 21 × 5/8 × 5 = 105/40 - Add the two like fractions:
12/40 + 105/40 = 12 + 105/40 = 117/40 - So, 6/20 + 21/8 = 117/40
In mixed form: 237/40
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