Add 42/5 and 90/12
1st number: 8 2/5, 2nd number: 7 6/12
42/5 + 90/12 is 159/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 5 × 12 = 60,
42/5 = 42 × 12/5 × 12 = 504/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
90/12 = 90 × 5/12 × 5 = 450/60 - Add the two like fractions:
504/60 + 450/60 = 504 + 450/60 = 954/60 - 954/60 simplified gives 159/10
- So, 42/5 + 90/12 = 159/10
In mixed form: 159/10
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