Add 81/5 and 2/40
1st number: 16 1/5, 2nd number: 2/40
81/5 + 2/40 is 65/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
81/5 = 81 × 8/5 × 8 = 648/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
2/40 = 2 × 1/40 × 1 = 2/40 - Add the two like fractions:
648/40 + 2/40 = 648 + 2/40 = 650/40 - 650/40 simplified gives 65/4
- So, 81/5 + 2/40 = 65/4
In mixed form: 161/4
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