Add 28/70 and 54/30
1st number: 28/70, 2nd number: 1 24/30
28/70 + 54/30 is 11/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
28/70 = 28 × 3/70 × 3 = 84/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
54/30 = 54 × 7/30 × 7 = 378/210 - Add the two like fractions:
84/210 + 378/210 = 84 + 378/210 = 462/210 - 462/210 simplified gives 11/5
- So, 28/70 + 54/30 = 11/5
In mixed form: 21/5
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