Add 30/50 and 70/90
30/50 + 70/90 is 62/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 90 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 50 × 9 = 450,
30/50 = 30 × 9/50 × 9 = 270/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
70/90 = 70 × 5/90 × 5 = 350/450 - Add the two like fractions:
270/450 + 350/450 = 270 + 350/450 = 620/450 - 620/450 simplified gives 62/45
- So, 30/50 + 70/90 = 62/45
In mixed form: 117/45
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