Add 8/72 and 81/70
1st number: 8/72, 2nd number: 1 11/70
8/72 + 81/70 is 799/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 70 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 72 × 35 = 2520,
8/72 = 8 × 35/72 × 35 = 280/2520 - Likewise, for the 2nd fraction, since 70 × 36 = 2520,
81/70 = 81 × 36/70 × 36 = 2916/2520 - Add the two like fractions:
280/2520 + 2916/2520 = 280 + 2916/2520 = 3196/2520 - 3196/2520 simplified gives 799/630
- So, 8/72 + 81/70 = 799/630
In mixed form: 1169/630
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