Add 10/28 and 80/30
1st number: 10/28, 2nd number: 2 20/30
10/28 + 80/30 is 127/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 30 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 28 × 15 = 420,
10/28 = 10 × 15/28 × 15 = 150/420 - Likewise, for the 2nd fraction, since 30 × 14 = 420,
80/30 = 80 × 14/30 × 14 = 1120/420 - Add the two like fractions:
150/420 + 1120/420 = 150 + 1120/420 = 1270/420 - 1270/420 simplified gives 127/42
- So, 10/28 + 80/30 = 127/42
In mixed form: 31/42
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