Add 18/40 and 1/7
18/40 + 1/7 is 83/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 7 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 40 × 7 = 280,
18/40 = 18 × 7/40 × 7 = 126/280 - Likewise, for the 2nd fraction, since 7 × 40 = 280,
1/7 = 1 × 40/7 × 40 = 40/280 - Add the two like fractions:
126/280 + 40/280 = 126 + 40/280 = 166/280 - 166/280 simplified gives 83/140
- So, 18/40 + 1/7 = 83/140
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