Add 9/30 and 20/28
9/30 + 20/28 is 71/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 28 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 30 × 14 = 420,
9/30 = 9 × 14/30 × 14 = 126/420 - Likewise, for the 2nd fraction, since 28 × 15 = 420,
20/28 = 20 × 15/28 × 15 = 300/420 - Add the two like fractions:
126/420 + 300/420 = 126 + 300/420 = 426/420 - 426/420 simplified gives 71/70
- So, 9/30 + 20/28 = 71/70
In mixed form: 11/70
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