Add 8/70 and 45/90
8/70 + 45/90 is 43/70.
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,
45/90 = 45 × 7/90 × 7 = 315/630 - Add the two like fractions:
72/630 + 315/630 = 72 + 315/630 = 387/630 - 387/630 simplified gives 43/70
- So, 8/70 + 45/90 = 43/70
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