Add 4/30 and 30/72
4/30 + 30/72 is 11/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 30 × 12 = 360,
4/30 = 4 × 12/30 × 12 = 48/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
30/72 = 30 × 5/72 × 5 = 150/360 - Add the two like fractions:
48/360 + 150/360 = 48 + 150/360 = 198/360 - 198/360 simplified gives 11/20
- So, 4/30 + 30/72 = 11/20
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