Add 12/70 and 42/20
1st number: 12/70, 2nd number: 2 2/20
12/70 + 42/20 is 159/70.
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,
12/70 = 12 × 2/70 × 2 = 24/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
42/20 = 42 × 7/20 × 7 = 294/140 - Add the two like fractions:
24/140 + 294/140 = 24 + 294/140 = 318/140 - 318/140 simplified gives 159/70
- So, 12/70 + 42/20 = 159/70
In mixed form: 219/70
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