Add 20/45 and 72/8
1st number: 20/45, 2nd number: 9 0/8
20/45 + 72/8 is 85/9.
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,
72/8 = 72 × 45/8 × 45 = 3240/360 - Add the two like fractions:
160/360 + 3240/360 = 160 + 3240/360 = 3400/360 - 3400/360 simplified gives 85/9
- So, 20/45 + 72/8 = 85/9
In mixed form: 94/9
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