Add 72/70 and 50/20
1st number: 1 2/70, 2nd number: 2 10/20
72/70 + 50/20 is 247/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 20 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
72/70 = 72 × 2/70 × 2 = 144/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
50/20 = 50 × 7/20 × 7 = 350/140 - Add the two like fractions:
144/140 + 350/140 = 144 + 350/140 = 494/140 - 494/140 simplified gives 247/70
- So, 72/70 + 50/20 = 247/70
In mixed form: 337/70
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