Add 42/4 and 84/90
1st number: 10 2/4, 2nd number: 84/90
42/4 + 84/90 is 343/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 4 × 45 = 180,
42/4 = 42 × 45/4 × 45 = 1890/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
84/90 = 84 × 2/90 × 2 = 168/180 - Add the two like fractions:
1890/180 + 168/180 = 1890 + 168/180 = 2058/180 - 2058/180 simplified gives 343/30
- So, 42/4 + 84/90 = 343/30
In mixed form: 1113/30
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