Add 9/8 and 63/20
1st number: 1 1/8, 2nd number: 3 3/20
9/8 + 63/20 is 171/40.
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,
9/8 = 9 × 5/8 × 5 = 45/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
63/20 = 63 × 2/20 × 2 = 126/40 - Add the two like fractions:
45/40 + 126/40 = 45 + 126/40 = 171/40 - So, 9/8 + 63/20 = 171/40
In mixed form: 411/40
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