Add 3/70 and 27/20
1st number: 3/70, 2nd number: 1 7/20
3/70 + 27/20 is 39/28.
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,
3/70 = 3 × 2/70 × 2 = 6/140 - Likewise, for the 2nd fraction, since 20 × 7 = 140,
27/20 = 27 × 7/20 × 7 = 189/140 - Add the two like fractions:
6/140 + 189/140 = 6 + 189/140 = 195/140 - 195/140 simplified gives 39/28
- So, 3/70 + 27/20 = 39/28
In mixed form: 111/28
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