Add 9/30 and 15/42
9/30 + 15/42 is 23/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
9/30 = 9 × 7/30 × 7 = 63/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
15/42 = 15 × 5/42 × 5 = 75/210 - Add the two like fractions:
63/210 + 75/210 = 63 + 75/210 = 138/210 - 138/210 simplified gives 23/35
- So, 9/30 + 15/42 = 23/35
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