Add 70/9 and 45/40
1st number: 7 7/9, 2nd number: 1 5/40
70/9 + 45/40 is 641/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 40 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 9 × 40 = 360,
70/9 = 70 × 40/9 × 40 = 2800/360 - Likewise, for the 2nd fraction, since 40 × 9 = 360,
45/40 = 45 × 9/40 × 9 = 405/360 - Add the two like fractions:
2800/360 + 405/360 = 2800 + 405/360 = 3205/360 - 3205/360 simplified gives 641/72
- So, 70/9 + 45/40 = 641/72
In mixed form: 865/72
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