Add 27/20 and 42/35
1st number: 1 7/20, 2nd number: 1 7/35
27/20 + 42/35 is 51/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 35 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 35 × 4 = 140,
42/35 = 42 × 4/35 × 4 = 168/140 - Add the two like fractions:
189/140 + 168/140 = 189 + 168/140 = 357/140 - 357/140 simplified gives 51/20
- So, 27/20 + 42/35 = 51/20
In mixed form: 211/20
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