Add 12/45 and 60/70
12/45 + 60/70 is 118/105.
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,
60/70 = 60 × 9/70 × 9 = 540/630 - Add the two like fractions:
168/630 + 540/630 = 168 + 540/630 = 708/630 - 708/630 simplified gives 118/105
- So, 12/45 + 60/70 = 118/105
In mixed form: 113/105
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