Add 42/8 and 12/20
1st number: 5 2/8, 2nd number: 12/20
42/8 + 12/20 is 117/20.
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,
42/8 = 42 × 5/8 × 5 = 210/40 - Likewise, for the 2nd fraction, since 20 × 2 = 40,
12/20 = 12 × 2/20 × 2 = 24/40 - Add the two like fractions:
210/40 + 24/40 = 210 + 24/40 = 234/40 - 234/40 simplified gives 117/20
- So, 42/8 + 12/20 = 117/20
In mixed form: 517/20
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