Add 30/4 and 42/5
1st number: 7 2/4, 2nd number: 8 2/5
30/4 + 42/5 is 159/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 5 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
30/4 = 30 × 5/4 × 5 = 150/20 - Likewise, for the 2nd fraction, since 5 × 4 = 20,
42/5 = 42 × 4/5 × 4 = 168/20 - Add the two like fractions:
150/20 + 168/20 = 150 + 168/20 = 318/20 - 318/20 simplified gives 159/10
- So, 30/4 + 42/5 = 159/10
In mixed form: 159/10
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