Add 1/40 and 80/45
1st number: 1/40, 2nd number: 1 35/45
1/40 + 80/45 is 649/360.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
1/40 = 1 × 9/40 × 9 = 9/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
80/45 = 80 × 8/45 × 8 = 640/360 - Add the two like fractions:
9/360 + 640/360 = 9 + 640/360 = 649/360 - So, 1/40 + 80/45 = 649/360
In mixed form: 1289/360
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