Add 15/50 and 70/90
15/50 + 70/90 is 97/90.
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,
15/50 = 15 × 9/50 × 9 = 135/450 - Likewise, for the 2nd fraction, since 90 × 5 = 450,
70/90 = 70 × 5/90 × 5 = 350/450 - Add the two like fractions:
135/450 + 350/450 = 135 + 350/450 = 485/450 - 485/450 simplified gives 97/90
- So, 15/50 + 70/90 = 97/90
In mixed form: 17/90
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