Add 18/30 and 90/70
1st number: 18/30, 2nd number: 1 20/70
18/30 + 90/70 is 66/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
18/30 = 18 × 7/30 × 7 = 126/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
90/70 = 90 × 3/70 × 3 = 270/210 - Add the two like fractions:
126/210 + 270/210 = 126 + 270/210 = 396/210 - 396/210 simplified gives 66/35
- So, 18/30 + 90/70 = 66/35
In mixed form: 131/35
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