Add 30/35 and 20/28
30/35 + 20/28 is 11/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 35 × 4 = 140,
30/35 = 30 × 4/35 × 4 = 120/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
20/28 = 20 × 5/28 × 5 = 100/140 - Add the two like fractions:
120/140 + 100/140 = 120 + 100/140 = 220/140 - 220/140 simplified gives 11/7
- So, 30/35 + 20/28 = 11/7
In mixed form: 14/7
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