Add 28/30 and 63/70
28/30 + 63/70 is 11/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
28/30 = 28 × 7/30 × 7 = 196/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
63/70 = 63 × 3/70 × 3 = 189/210 - Add the two like fractions:
196/210 + 189/210 = 196 + 189/210 = 385/210 - 385/210 simplified gives 11/6
- So, 28/30 + 63/70 = 11/6
In mixed form: 15/6
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