Add 4/20 and 72/70
1st number: 4/20, 2nd number: 1 2/70
4/20 + 72/70 is 43/35.
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,
72/70 = 72 × 2/70 × 2 = 144/140 - Add the two like fractions:
28/140 + 144/140 = 28 + 144/140 = 172/140 - 172/140 simplified gives 43/35
- So, 4/20 + 72/70 = 43/35
In mixed form: 18/35
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