Add 75/90 and 12/84
75/90 + 12/84 is 41/42.
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,
75/90 = 75 × 14/90 × 14 = 1050/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
12/84 = 12 × 15/84 × 15 = 180/1260 - Add the two like fractions:
1050/1260 + 180/1260 = 1050 + 180/1260 = 1230/1260 - 1230/1260 simplified gives 41/42
- So, 75/90 + 12/84 = 41/42
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