Add 30/2 and 42/80
1st number: 15 0/2, 2nd number: 42/80
30/2 + 42/80 is 621/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
30/2 = 30 × 40/2 × 40 = 1200/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
42/80 = 42 × 1/80 × 1 = 42/80 - Add the two like fractions:
1200/80 + 42/80 = 1200 + 42/80 = 1242/80 - 1242/80 simplified gives 621/40
- So, 30/2 + 42/80 = 621/40
In mixed form: 1521/40
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