Add 75/30 and 18/21
1st number: 2 15/30, 2nd number: 18/21
75/30 + 18/21 is 47/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
75/30 = 75 × 7/30 × 7 = 525/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
18/21 = 18 × 10/21 × 10 = 180/210 - Add the two like fractions:
525/210 + 180/210 = 525 + 180/210 = 705/210 - 705/210 simplified gives 47/14
- So, 75/30 + 18/21 = 47/14
In mixed form: 35/14
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