Add 5/8 and 15/20
5/8 + 15/20 is 11/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
5/8 = 5 × 5/8 × 5 = 25/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
15/20 = 15 × 2/20 × 2 = 30/40 - Add the two like fractions:
25/40 + 30/40 = 25 + 30/40 = 55/40 - 55/40 simplified gives 11/8
- So, 5/8 + 15/20 = 11/8
In mixed form: 13/8
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