Add 81/5 and 30/14
1st number: 16 1/5, 2nd number: 2 2/14
81/5 + 30/14 is 642/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 14 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
81/5 = 81 × 14/5 × 14 = 1134/70 - Likewise, for the 2nd fraction, since 14 × 5 = 70,
30/14 = 30 × 5/14 × 5 = 150/70 - Add the two like fractions:
1134/70 + 150/70 = 1134 + 150/70 = 1284/70 - 1284/70 simplified gives 642/35
- So, 81/5 + 30/14 = 642/35
In mixed form: 1812/35
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