Add 27/90 and 80/56
1st number: 27/90, 2nd number: 1 24/56
27/90 + 80/56 is 121/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
27/90 = 27 × 28/90 × 28 = 756/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
80/56 = 80 × 45/56 × 45 = 3600/2520 - Add the two like fractions:
756/2520 + 3600/2520 = 756 + 3600/2520 = 4356/2520 - 4356/2520 simplified gives 121/70
- So, 27/90 + 80/56 = 121/70
In mixed form: 151/70
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