Add 28/70 and 7/30
28/70 + 7/30 is 19/30.
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,
7/30 = 7 × 7/30 × 7 = 49/210 - Add the two like fractions:
84/210 + 49/210 = 84 + 49/210 = 133/210 - 133/210 simplified gives 19/30
- So, 28/70 + 7/30 = 19/30
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