Add 28/70 and 7/18
28/70 + 7/18 is 71/90.
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,
7/18 = 7 × 35/18 × 35 = 245/630 - Add the two like fractions:
252/630 + 245/630 = 252 + 245/630 = 497/630 - 497/630 simplified gives 71/90
- So, 28/70 + 7/18 = 71/90
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