Add 7/18 and 42/30
1st number: 7/18, 2nd number: 1 12/30
7/18 + 42/30 is 161/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 30 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 30 × 3 = 90,
42/30 = 42 × 3/30 × 3 = 126/90 - Add the two like fractions:
35/90 + 126/90 = 35 + 126/90 = 161/90 - So, 7/18 + 42/30 = 161/90
In mixed form: 171/90
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