Add 18/45 and 90/56
1st number: 18/45, 2nd number: 1 34/56
18/45 + 90/56 is 281/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 45 × 56 = 2520,
18/45 = 18 × 56/45 × 56 = 1008/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
90/56 = 90 × 45/56 × 45 = 4050/2520 - Add the two like fractions:
1008/2520 + 4050/2520 = 1008 + 4050/2520 = 5058/2520 - 5058/2520 simplified gives 281/140
- So, 18/45 + 90/56 = 281/140
In mixed form: 21/140
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