Add 20/28 and 7/30
20/28 + 7/30 is 199/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
20/28 = 20 × 15/28 × 15 = 300/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
7/30 = 7 × 14/30 × 14 = 98/420 - Add the two like fractions:
300/420 + 98/420 = 300 + 98/420 = 398/420 - 398/420 simplified gives 199/210
- So, 20/28 + 7/30 = 199/210
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