Add 4/12 and 72/70
1st number: 4/12, 2nd number: 1 2/70
4/12 + 72/70 is 143/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 70 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 12 × 35 = 420,
4/12 = 4 × 35/12 × 35 = 140/420 - Likewise, for the 2nd fraction, since 70 × 6 = 420,
72/70 = 72 × 6/70 × 6 = 432/420 - Add the two like fractions:
140/420 + 432/420 = 140 + 432/420 = 572/420 - 572/420 simplified gives 143/105
- So, 4/12 + 72/70 = 143/105
In mixed form: 138/105
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