Add 20/25 and 18/56
20/25 + 18/56 is 157/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 56 is 1400
Next, find the equivalent fraction of both fractional numbers with denominator 1400 - For the 1st fraction, since 25 × 56 = 1400,
20/25 = 20 × 56/25 × 56 = 1120/1400 - Likewise, for the 2nd fraction, since 56 × 25 = 1400,
18/56 = 18 × 25/56 × 25 = 450/1400 - Add the two like fractions:
1120/1400 + 450/1400 = 1120 + 450/1400 = 1570/1400 - 1570/1400 simplified gives 157/140
- So, 20/25 + 18/56 = 157/140
In mixed form: 117/140
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