Add 8/7 and 80/72
1st number: 1 1/7, 2nd number: 1 8/72
8/7 + 80/72 is 142/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 7 × 72 = 504,
8/7 = 8 × 72/7 × 72 = 576/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
80/72 = 80 × 7/72 × 7 = 560/504 - Add the two like fractions:
576/504 + 560/504 = 576 + 560/504 = 1136/504 - 1136/504 simplified gives 142/63
- So, 8/7 + 80/72 = 142/63
In mixed form: 216/63
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