Add 12/42 and 75/30
1st number: 12/42, 2nd number: 2 15/30
12/42 + 75/30 is 39/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
12/42 = 12 × 5/42 × 5 = 60/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
75/30 = 75 × 7/30 × 7 = 525/210 - Add the two like fractions:
60/210 + 525/210 = 60 + 525/210 = 585/210 - 585/210 simplified gives 39/14
- So, 12/42 + 75/30 = 39/14
In mixed form: 211/14
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