Add 4/30 and 7/42
4/30 + 7/42 is 3/10.
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,
4/30 = 4 × 7/30 × 7 = 28/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
7/42 = 7 × 5/42 × 5 = 35/210 - Add the two like fractions:
28/210 + 35/210 = 28 + 35/210 = 63/210 - 63/210 simplified gives 3/10
- So, 4/30 + 7/42 = 3/10
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