Add 42/9 and 28/10
1st number: 4 6/9, 2nd number: 2 8/10
42/9 + 28/10 is 112/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 10 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 9 × 10 = 90,
42/9 = 42 × 10/9 × 10 = 420/90 - Likewise, for the 2nd fraction, since 10 × 9 = 90,
28/10 = 28 × 9/10 × 9 = 252/90 - Add the two like fractions:
420/90 + 252/90 = 420 + 252/90 = 672/90 - 672/90 simplified gives 112/15
- So, 42/9 + 28/10 = 112/15
In mixed form: 77/15
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