Add 42/90 and 10/50
42/90 + 10/50 is 2/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 50 is 450
Next, find the equivalent fraction of both fractional numbers with denominator 450 - For the 1st fraction, since 90 × 5 = 450,
42/90 = 42 × 5/90 × 5 = 210/450 - Likewise, for the 2nd fraction, since 50 × 9 = 450,
10/50 = 10 × 9/50 × 9 = 90/450 - Add the two like fractions:
210/450 + 90/450 = 210 + 90/450 = 300/450 - 300/450 simplified gives 2/3
- So, 42/90 + 10/50 = 2/3
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