Add 28/10 and 49/28
1st number: 2 8/10, 2nd number: 1 21/28
28/10 + 49/28 is 91/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 28 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 10 × 14 = 140,
28/10 = 28 × 14/10 × 14 = 392/140 - Likewise, for the 2nd fraction, since 28 × 5 = 140,
49/28 = 49 × 5/28 × 5 = 245/140 - Add the two like fractions:
392/140 + 245/140 = 392 + 245/140 = 637/140 - 637/140 simplified gives 91/20
- So, 28/10 + 49/28 = 91/20
In mixed form: 411/20
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