Add 8/20 and 42/70
8/20 + 42/70 is 1/1.
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,
8/20 = 8 × 7/20 × 7 = 56/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
42/70 = 42 × 2/70 × 2 = 84/140 - Add the two like fractions:
56/140 + 84/140 = 56 + 84/140 = 140/140 - 140/140 simplified gives 1/1
- So, 8/20 + 42/70 = 1/1
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