Add 30/4 and 80/40
1st number: 7 2/4, 2nd number: 2 0/40
30/4 + 80/40 is 19/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
30/4 = 30 × 10/4 × 10 = 300/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
80/40 = 80 × 1/40 × 1 = 80/40 - Add the two like fractions:
300/40 + 80/40 = 300 + 80/40 = 380/40 - 380/40 simplified gives 19/2
- So, 30/4 + 80/40 = 19/2
In mixed form: 91/2
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