Add 10/90 and 42/84
10/90 + 42/84 is 11/18.
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,
10/90 = 10 × 14/90 × 14 = 140/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
42/84 = 42 × 15/84 × 15 = 630/1260 - Add the two like fractions:
140/1260 + 630/1260 = 140 + 630/1260 = 770/1260 - 770/1260 simplified gives 11/18
- So, 10/90 + 42/84 = 11/18
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