Add 18/70 and 25/28
18/70 + 25/28 is 23/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
18/70 = 18 × 2/70 × 2 = 36/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
25/28 = 25 × 5/28 × 5 = 125/140 - Add the two like fractions:
36/140 + 125/140 = 36 + 125/140 = 161/140 - 161/140 simplified gives 23/20
- So, 18/70 + 25/28 = 23/20
In mixed form: 13/20
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