Add 7/18 and 40/70
7/18 + 40/70 is 121/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 70 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 18 × 35 = 630,
7/18 = 7 × 35/18 × 35 = 245/630 - Likewise, for the 2nd fraction, since 70 × 9 = 630,
40/70 = 40 × 9/70 × 9 = 360/630 - Add the two like fractions:
245/630 + 360/630 = 245 + 360/630 = 605/630 - 605/630 simplified gives 121/126
- So, 7/18 + 40/70 = 121/126
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