Add 42/90 and 84/10
1st number: 42/90, 2nd number: 8 4/10
42/90 + 84/10 is 133/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 90 × 1 = 90,
42/90 = 42 × 1/90 × 1 = 42/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
84/10 = 84 × 9/10 × 9 = 756/90 - Add the two like fractions:
42/90 + 756/90 = 42 + 756/90 = 798/90 - 798/90 simplified gives 133/15
- So, 42/90 + 84/10 = 133/15
In mixed form: 813/15
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