Add 20/40 and 3/5
20/40 + 3/5 is 11/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
20/40 = 20 × 1/40 × 1 = 20/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
3/5 = 3 × 8/5 × 8 = 24/40 - Add the two like fractions:
20/40 + 24/40 = 20 + 24/40 = 44/40 - 44/40 simplified gives 11/10
- So, 20/40 + 3/5 = 11/10
In mixed form: 11/10
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