Add 25/35 and 21/28
25/35 + 21/28 is 41/28.
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,
25/35 = 25 × 4/35 × 4 = 100/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
21/28 = 21 × 5/28 × 5 = 105/140 - Add the two like fractions:
100/140 + 105/140 = 100 + 105/140 = 205/140 - 205/140 simplified gives 41/28
- So, 25/35 + 21/28 = 41/28
In mixed form: 113/28
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