Add 12/70 and 40/45
12/70 + 40/45 is 334/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 70 × 9 = 630,
12/70 = 12 × 9/70 × 9 = 108/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
40/45 = 40 × 14/45 × 14 = 560/630 - Add the two like fractions:
108/630 + 560/630 = 108 + 560/630 = 668/630 - 668/630 simplified gives 334/315
- So, 12/70 + 40/45 = 334/315
In mixed form: 119/315
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