Add 21/5 and 36/8
1st number: 4 1/5, 2nd number: 4 4/8
21/5 + 36/8 is 87/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
21/5 = 21 × 8/5 × 8 = 168/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
36/8 = 36 × 5/8 × 5 = 180/40 - Add the two like fractions:
168/40 + 180/40 = 168 + 180/40 = 348/40 - 348/40 simplified gives 87/10
- So, 21/5 + 36/8 = 87/10
In mixed form: 87/10
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