Add 18/70 and 28/15
1st number: 18/70, 2nd number: 1 13/15
18/70 + 28/15 is 223/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 15 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
18/70 = 18 × 3/70 × 3 = 54/210 - Likewise, for the 2nd fraction, since 15 × 14 = 210,
28/15 = 28 × 14/15 × 14 = 392/210 - Add the two like fractions:
54/210 + 392/210 = 54 + 392/210 = 446/210 - 446/210 simplified gives 223/105
- So, 18/70 + 28/15 = 223/105
In mixed form: 213/105
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