Add 98/5 and 81/7
1st number: 19 3/5, 2nd number: 11 4/7
98/5 + 81/7 is 1091/35.
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,
98/5 = 98 × 7/5 × 7 = 686/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
81/7 = 81 × 5/7 × 5 = 405/35 - Add the two like fractions:
686/35 + 405/35 = 686 + 405/35 = 1091/35 - So, 98/5 + 81/7 = 1091/35
In mixed form: 316/35
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