Add 7/18 and 42/5
1st number: 7/18, 2nd number: 8 2/5
7/18 + 42/5 is 791/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 5 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
7/18 = 7 × 5/18 × 5 = 35/90 - Likewise, for the 2nd fraction, since 5 × 18 = 90,
42/5 = 42 × 18/5 × 18 = 756/90 - Add the two like fractions:
35/90 + 756/90 = 35 + 756/90 = 791/90 - So, 7/18 + 42/5 = 791/90
In mixed form: 871/90
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