Add 60/8 and 70/9
1st number: 7 4/8, 2nd number: 7 7/9
60/8 + 70/9 is 275/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 9 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
60/8 = 60 × 9/8 × 9 = 540/72 - Likewise, for the 2nd fraction, since 9 × 8 = 72,
70/9 = 70 × 8/9 × 8 = 560/72 - Add the two like fractions:
540/72 + 560/72 = 540 + 560/72 = 1100/72 - 1100/72 simplified gives 275/18
- So, 60/8 + 70/9 = 275/18
In mixed form: 155/18
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