Add 15/8 and 80/45
1st number: 1 7/8, 2nd number: 1 35/45
15/8 + 80/45 is 263/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 45 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 8 × 45 = 360,
15/8 = 15 × 45/8 × 45 = 675/360 - Likewise, for the 2nd fraction, since 45 × 8 = 360,
80/45 = 80 × 8/45 × 8 = 640/360 - Add the two like fractions:
675/360 + 640/360 = 675 + 640/360 = 1315/360 - 1315/360 simplified gives 263/72
- So, 15/8 + 80/45 = 263/72
In mixed form: 347/72
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