Add 28/42 and 7/30
28/42 + 7/30 is 9/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 30 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 30 × 7 = 210,
7/30 = 7 × 7/30 × 7 = 49/210 - Add the two like fractions:
140/210 + 49/210 = 140 + 49/210 = 189/210 - 189/210 simplified gives 9/10
- So, 28/42 + 7/30 = 9/10
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