Add 20/5 and 45/8
1st number: 4 0/5, 2nd number: 5 5/8
20/5 + 45/8 is 77/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 8 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 5 × 8 = 40,
20/5 = 20 × 8/5 × 8 = 160/40 - Likewise, for the 2nd fraction, since 8 × 5 = 40,
45/8 = 45 × 5/8 × 5 = 225/40 - Add the two like fractions:
160/40 + 225/40 = 160 + 225/40 = 385/40 - 385/40 simplified gives 77/8
- So, 20/5 + 45/8 = 77/8
In mixed form: 95/8
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