Add 81/5 and 21/7
1st number: 16 1/5, 2nd number: 3 0/7
81/5 + 21/7 is 96/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
81/5 = 81 × 7/5 × 7 = 567/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
21/7 = 21 × 5/7 × 5 = 105/35 - Add the two like fractions:
567/35 + 105/35 = 567 + 105/35 = 672/35 - 672/35 simplified gives 96/5
- So, 81/5 + 21/7 = 96/5
In mixed form: 191/5
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