Add 6/28 and 81/45
1st number: 6/28, 2nd number: 1 36/45
6/28 + 81/45 is 141/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 45 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
6/28 = 6 × 45/28 × 45 = 270/1260 - Likewise, for the 2nd fraction, since 45 × 28 = 1260,
81/45 = 81 × 28/45 × 28 = 2268/1260 - Add the two like fractions:
270/1260 + 2268/1260 = 270 + 2268/1260 = 2538/1260 - 2538/1260 simplified gives 141/70
- So, 6/28 + 81/45 = 141/70
In mixed form: 21/70
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