Add 12/90 and 2/56
12/90 + 2/56 is 71/420.
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,
12/90 = 12 × 28/90 × 28 = 336/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
2/56 = 2 × 45/56 × 45 = 90/2520 - Add the two like fractions:
336/2520 + 90/2520 = 336 + 90/2520 = 426/2520 - 426/2520 simplified gives 71/420
- So, 12/90 + 2/56 = 71/420
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