Add 4/20 and 9/70
4/20 + 9/70 is 23/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 70 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 20 × 7 = 140,
4/20 = 4 × 7/20 × 7 = 28/140 - Likewise, for the 2nd fraction, since 70 × 2 = 140,
9/70 = 9 × 2/70 × 2 = 18/140 - Add the two like fractions:
28/140 + 18/140 = 28 + 18/140 = 46/140 - 46/140 simplified gives 23/70
- So, 4/20 + 9/70 = 23/70
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