Add 10/8 and 45/20
1st number: 1 2/8, 2nd number: 2 5/20
10/8 + 45/20 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
10/8 = 10 × 5/8 × 5 = 50/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
45/20 = 45 × 2/20 × 2 = 90/40 - Add the two like fractions:
50/40 + 90/40 = 50 + 90/40 = 140/40 - 140/40 simplified gives 7/2
- So, 10/8 + 45/20 = 7/2
In mixed form: 31/2
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