Add 10/20 and 1/70
10/20 + 1/70 is 18/35.
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,
10/20 = 10 × 7/20 × 7 = 70/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
1/70 = 1 × 2/70 × 2 = 2/140 - Add the two like fractions:
70/140 + 2/140 = 70 + 2/140 = 72/140 - 72/140 simplified gives 18/35
- So, 10/20 + 1/70 = 18/35
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