Add 30/56 and 80/90
30/56 + 80/90 is 359/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
30/56 = 30 × 45/56 × 45 = 1350/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
80/90 = 80 × 28/90 × 28 = 2240/2520 - Add the two like fractions:
1350/2520 + 2240/2520 = 1350 + 2240/2520 = 3590/2520 - 3590/2520 simplified gives 359/252
- So, 30/56 + 80/90 = 359/252
In mixed form: 1107/252
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