Add 20/45 and 25/8
1st number: 20/45, 2nd number: 3 1/8
20/45 + 25/8 is 257/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
20/45 = 20 × 8/45 × 8 = 160/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
25/8 = 25 × 45/8 × 45 = 1125/360 - Add the two like fractions:
160/360 + 1125/360 = 160 + 1125/360 = 1285/360 - 1285/360 simplified gives 257/72
- So, 20/45 + 25/8 = 257/72
In mixed form: 341/72
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