Add 12/45 and 36/70
12/45 + 36/70 is 82/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
12/45 = 12 × 14/45 × 14 = 168/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
36/70 = 36 × 9/70 × 9 = 324/630 - Add the two like fractions:
168/630 + 324/630 = 168 + 324/630 = 492/630 - 492/630 simplified gives 82/105
- So, 12/45 + 36/70 = 82/105
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