Add 36/28 and 80/90
1st number: 1 8/28, 2nd number: 80/90
36/28 + 80/90 is 137/63.
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,
36/28 = 36 × 45/28 × 45 = 1620/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
80/90 = 80 × 14/90 × 14 = 1120/1260 - Add the two like fractions:
1620/1260 + 1120/1260 = 1620 + 1120/1260 = 2740/1260 - 2740/1260 simplified gives 137/63
- So, 36/28 + 80/90 = 137/63
In mixed form: 211/63
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