Add 56/28 and 81/90
1st number: 2 0/28, 2nd number: 81/90
56/28 + 81/90 is 29/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
56/28 = 56 × 45/28 × 45 = 2520/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
81/90 = 81 × 14/90 × 14 = 1134/1260 - Add the two like fractions:
2520/1260 + 1134/1260 = 2520 + 1134/1260 = 3654/1260 - 3654/1260 simplified gives 29/10
- So, 56/28 + 81/90 = 29/10
In mixed form: 29/10
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