Add 12/70 and 4/45
12/70 + 4/45 is 82/315.
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,
4/45 = 4 × 14/45 × 14 = 56/630 - Add the two like fractions:
108/630 + 56/630 = 108 + 56/630 = 164/630 - 164/630 simplified gives 82/315
- So, 12/70 + 4/45 = 82/315
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