Add 81/90 and 2/28
81/90 + 2/28 is 34/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
81/90 = 81 × 14/90 × 14 = 1134/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
2/28 = 2 × 45/28 × 45 = 90/1260 - Add the two like fractions:
1134/1260 + 90/1260 = 1134 + 90/1260 = 1224/1260 - 1224/1260 simplified gives 34/35
- So, 81/90 + 2/28 = 34/35
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