Add 28/12 and 21/10
1st number: 2 4/12, 2nd number: 2 1/10
28/12 + 21/10 is 133/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
28/12 = 28 × 5/12 × 5 = 140/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
21/10 = 21 × 6/10 × 6 = 126/60 - Add the two like fractions:
140/60 + 126/60 = 140 + 126/60 = 266/60 - 266/60 simplified gives 133/30
- So, 28/12 + 21/10 = 133/30
In mixed form: 413/30
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