Add 75/90 and 12/56
75/90 + 12/56 is 22/21.
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,
75/90 = 75 × 28/90 × 28 = 2100/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
12/56 = 12 × 45/56 × 45 = 540/2520 - Add the two like fractions:
2100/2520 + 540/2520 = 2100 + 540/2520 = 2640/2520 - 2640/2520 simplified gives 22/21
- So, 75/90 + 12/56 = 22/21
In mixed form: 11/21
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