Add 28/70 and 54/18
1st number: 28/70, 2nd number: 3 0/18
28/70 + 54/18 is 17/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 18 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
28/70 = 28 × 9/70 × 9 = 252/630 - Likewise, for the 2nd fraction, since 18 × 35 = 630,
54/18 = 54 × 35/18 × 35 = 1890/630 - Add the two like fractions:
252/630 + 1890/630 = 252 + 1890/630 = 2142/630 - 2142/630 simplified gives 17/5
- So, 28/70 + 54/18 = 17/5
In mixed form: 32/5
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