Add 42/30 and 90/36
1st number: 1 12/30, 2nd number: 2 18/36
42/30 + 90/36 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
42/30 = 42 × 6/30 × 6 = 252/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
90/36 = 90 × 5/36 × 5 = 450/180 - Add the two like fractions:
252/180 + 450/180 = 252 + 450/180 = 702/180 - 702/180 simplified gives 39/10
- So, 42/30 + 90/36 = 39/10
In mixed form: 39/10
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