Add 6/84 and 4/90
6/84 + 4/90 is 73/630.
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,
6/84 = 6 × 15/84 × 15 = 90/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
4/90 = 4 × 14/90 × 14 = 56/1260 - Add the two like fractions:
90/1260 + 56/1260 = 90 + 56/1260 = 146/1260 - 146/1260 simplified gives 73/630
- So, 6/84 + 4/90 = 73/630
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