Add 8/70 and 18/90
8/70 + 18/90 is 11/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
8/70 = 8 × 9/70 × 9 = 72/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
18/90 = 18 × 7/90 × 7 = 126/630 - Add the two like fractions:
72/630 + 126/630 = 72 + 126/630 = 198/630 - 198/630 simplified gives 11/35
- So, 8/70 + 18/90 = 11/35
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