Add 28/20 and 10/7
1st number: 1 8/20, 2nd number: 1 3/7
28/20 + 10/7 is 99/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 7 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
28/20 = 28 × 7/20 × 7 = 196/140 - Likewise, for the 2nd fraction, since 7 × 20 = 140,
10/7 = 10 × 20/7 × 20 = 200/140 - Add the two like fractions:
196/140 + 200/140 = 196 + 200/140 = 396/140 - 396/140 simplified gives 99/35
- So, 28/20 + 10/7 = 99/35
In mixed form: 229/35
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