Add 98/8 and 18/21
1st number: 12 2/8, 2nd number: 18/21
98/8 + 18/21 is 367/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 21 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
98/8 = 98 × 21/8 × 21 = 2058/168 - Likewise, for the 2nd fraction, since 21 × 8 = 168,
18/21 = 18 × 8/21 × 8 = 144/168 - Add the two like fractions:
2058/168 + 144/168 = 2058 + 144/168 = 2202/168 - 2202/168 simplified gives 367/28
- So, 98/8 + 18/21 = 367/28
In mixed form: 133/28
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