Add 72/70 and 4/81
1st number: 1 2/70, 2nd number: 4/81
72/70 + 4/81 is 3056/2835.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 81 is 5670
Next, find the equivalent fraction of both fractional numbers with denominator 5670 - For the 1st fraction, since 70 × 81 = 5670,
72/70 = 72 × 81/70 × 81 = 5832/5670 - Likewise, for the 2nd fraction, since 81 × 70 = 5670,
4/81 = 4 × 70/81 × 70 = 280/5670 - Add the two like fractions:
5832/5670 + 280/5670 = 5832 + 280/5670 = 6112/5670 - 6112/5670 simplified gives 3056/2835
- So, 72/70 + 4/81 = 3056/2835
In mixed form: 1221/2835
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