Add 21/35 and 24/28
21/35 + 24/28 is 51/35.
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,
21/35 = 21 × 4/35 × 4 = 84/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
24/28 = 24 × 5/28 × 5 = 120/140 - Add the two like fractions:
84/140 + 120/140 = 84 + 120/140 = 204/140 - 204/140 simplified gives 51/35
- So, 21/35 + 24/28 = 51/35
In mixed form: 116/35
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