Add 18/20 and 6/70
18/20 + 6/70 is 69/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
18/20 = 18 × 7/20 × 7 = 126/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
6/70 = 6 × 2/70 × 2 = 12/140 - Add the two like fractions:
126/140 + 12/140 = 126 + 12/140 = 138/140 - 138/140 simplified gives 69/70
- So, 18/20 + 6/70 = 69/70
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