Add 27/20 and 9/28
1st number: 1 7/20, 2nd number: 9/28
27/20 + 9/28 is 117/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
27/20 = 27 × 7/20 × 7 = 189/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
9/28 = 9 × 5/28 × 5 = 45/140 - Add the two like fractions:
189/140 + 45/140 = 189 + 45/140 = 234/140 - 234/140 simplified gives 117/70
- So, 27/20 + 9/28 = 117/70
In mixed form: 147/70
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