Add 20/8 and 40/5
1st number: 2 4/8, 2nd number: 8 0/5
20/8 + 40/5 is 21/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 5 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
20/8 = 20 × 5/8 × 5 = 100/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
40/5 = 40 × 8/5 × 8 = 320/40 - Add the two like fractions:
100/40 + 320/40 = 100 + 320/40 = 420/40 - 420/40 simplified gives 21/2
- So, 20/8 + 40/5 = 21/2
In mixed form: 101/2
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