Add 20/8 and 42/10
1st number: 2 4/8, 2nd number: 4 2/10
20/8 + 42/10 is 67/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
20/8 = 20 × 5/8 × 5 = 100/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
42/10 = 42 × 4/10 × 4 = 168/40 - Add the two like fractions:
100/40 + 168/40 = 100 + 168/40 = 268/40 - 268/40 simplified gives 67/10
- So, 20/8 + 42/10 = 67/10
In mixed form: 67/10
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