Add 98/8 and 42/20
1st number: 12 2/8, 2nd number: 2 2/20
98/8 + 42/20 is 287/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
98/8 = 98 × 5/8 × 5 = 490/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
42/20 = 42 × 2/20 × 2 = 84/40 - Add the two like fractions:
490/40 + 84/40 = 490 + 84/40 = 574/40 - 574/40 simplified gives 287/20
- So, 98/8 + 42/20 = 287/20
In mixed form: 147/20
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