Add 54/45 and 21/8
1st number: 1 9/45, 2nd number: 2 5/8
54/45 + 21/8 is 153/40.
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,
54/45 = 54 × 8/45 × 8 = 432/360 - Likewise, for the 2nd fraction, since 8 × 45 = 360,
21/8 = 21 × 45/8 × 45 = 945/360 - Add the two like fractions:
432/360 + 945/360 = 432 + 945/360 = 1377/360 - 1377/360 simplified gives 153/40
- So, 54/45 + 21/8 = 153/40
In mixed form: 333/40
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