Add 30/90 and 80/75
1st number: 30/90, 2nd number: 1 5/75
30/90 + 80/75 is 7/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 75 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
30/90 = 30 × 5/90 × 5 = 150/450 - Likewise, for the 2nd fraction, since 75 × 6 = 450,
80/75 = 80 × 6/75 × 6 = 480/450 - Add the two like fractions:
150/450 + 480/450 = 150 + 480/450 = 630/450 - 630/450 simplified gives 7/5
- So, 30/90 + 80/75 = 7/5
In mixed form: 12/5
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