Add 1/28 and 81/10
1st number: 1/28, 2nd number: 8 1/10
1/28 + 81/10 is 1139/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
1/28 = 1 × 5/28 × 5 = 5/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
81/10 = 81 × 14/10 × 14 = 1134/140 - Add the two like fractions:
5/140 + 1134/140 = 5 + 1134/140 = 1139/140 - So, 1/28 + 81/10 = 1139/140
In mixed form: 819/140
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