Add 42/4 and 90/10
1st number: 10 2/4, 2nd number: 9 0/10
42/4 + 90/10 is 39/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 10 is 20
Next, find the equivalent fraction of both fractional numbers with denominator 20 - For the 1st fraction, since 4 × 5 = 20,
42/4 = 42 × 5/4 × 5 = 210/20 - Likewise, for the 2nd fraction, since 10 × 2 = 20,
90/10 = 90 × 2/10 × 2 = 180/20 - Add the two like fractions:
210/20 + 180/20 = 210 + 180/20 = 390/20 - 390/20 simplified gives 39/2
- So, 42/4 + 90/10 = 39/2
In mixed form: 191/2
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