Add 12/45 and 21/8
1st number: 12/45, 2nd number: 2 5/8
12/45 + 21/8 is 347/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 8 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 45 × 8 = 360,
12/45 = 12 × 8/45 × 8 = 96/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
21/8 = 21 × 45/8 × 45 = 945/360 - Add the two like fractions:
96/360 + 945/360 = 96 + 945/360 = 1041/360 - 1041/360 simplified gives 347/120
- So, 12/45 + 21/8 = 347/120
In mixed form: 2107/120
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