Add 4/84 and 8/90
4/84 + 8/90 is 43/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 84 × 15 = 1260,
4/84 = 4 × 15/84 × 15 = 60/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
8/90 = 8 × 14/90 × 14 = 112/1260 - Add the two like fractions:
60/1260 + 112/1260 = 60 + 112/1260 = 172/1260 - 172/1260 simplified gives 43/315
- So, 4/84 + 8/90 = 43/315
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