Add 9/90 and 15/84
9/90 + 15/84 is 39/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
9/90 = 9 × 14/90 × 14 = 126/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
15/84 = 15 × 15/84 × 15 = 225/1260 - Add the two like fractions:
126/1260 + 225/1260 = 126 + 225/1260 = 351/1260 - 351/1260 simplified gives 39/140
- So, 9/90 + 15/84 = 39/140
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