Add 18/28 and 72/35
1st number: 18/28, 2nd number: 2 2/35
18/28 + 72/35 is 27/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 35 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
18/28 = 18 × 5/28 × 5 = 90/140 - Likewise, for the 2nd fraction, since 35 × 4 = 140,
72/35 = 72 × 4/35 × 4 = 288/140 - Add the two like fractions:
90/140 + 288/140 = 90 + 288/140 = 378/140 - 378/140 simplified gives 27/10
- So, 18/28 + 72/35 = 27/10
In mixed form: 27/10
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