Add 27/70 and 18/40
27/70 + 18/40 is 117/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 40 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
27/70 = 27 × 4/70 × 4 = 108/280 - Likewise, for the 2nd fraction, since 40 × 7 = 280,
18/40 = 18 × 7/40 × 7 = 126/280 - Add the two like fractions:
108/280 + 126/280 = 108 + 126/280 = 234/280 - 234/280 simplified gives 117/140
- So, 27/70 + 18/40 = 117/140
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