Add 28/42 and 9/10
28/42 + 9/10 is 47/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
28/42 = 28 × 5/42 × 5 = 140/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
9/10 = 9 × 21/10 × 21 = 189/210 - Add the two like fractions:
140/210 + 189/210 = 140 + 189/210 = 329/210 - 329/210 simplified gives 47/30
- So, 28/42 + 9/10 = 47/30
In mixed form: 117/30
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