Add 84/90 and 4/56
84/90 + 4/56 is 211/210.
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,
84/90 = 84 × 28/90 × 28 = 2352/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
4/56 = 4 × 45/56 × 45 = 180/2520 - Add the two like fractions:
2352/2520 + 180/2520 = 2352 + 180/2520 = 2532/2520 - 2532/2520 simplified gives 211/210
- So, 84/90 + 4/56 = 211/210
In mixed form: 11/210
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