Add 72/70 and 14/28
1st number: 1 2/70, 2nd number: 14/28
72/70 + 14/28 is 107/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 70 × 2 = 140,
72/70 = 72 × 2/70 × 2 = 144/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
14/28 = 14 × 5/28 × 5 = 70/140 - Add the two like fractions:
144/140 + 70/140 = 144 + 70/140 = 214/140 - 214/140 simplified gives 107/70
- So, 72/70 + 14/28 = 107/70
In mixed form: 137/70
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