Add 28/8 and 42/10
1st number: 3 4/8, 2nd number: 4 2/10
28/8 + 42/10 is 77/10.
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,
28/8 = 28 × 5/8 × 5 = 140/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
42/10 = 42 × 4/10 × 4 = 168/40 - Add the two like fractions:
140/40 + 168/40 = 140 + 168/40 = 308/40 - 308/40 simplified gives 77/10
- So, 28/8 + 42/10 = 77/10
In mixed form: 77/10
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