Add 2/8 and 21/5
1st number: 2/8, 2nd number: 4 1/5
2/8 + 21/5 is 89/20.
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,
2/8 = 2 × 5/8 × 5 = 10/40 - Likewise, for the 2nd fraction, since 5 × 8 = 40,
21/5 = 21 × 8/5 × 8 = 168/40 - Add the two like fractions:
10/40 + 168/40 = 10 + 168/40 = 178/40 - 178/40 simplified gives 89/20
- So, 2/8 + 21/5 = 89/20
In mixed form: 49/20
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