Add 7/90 and 2/84
7/90 + 2/84 is 32/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
7/90 = 7 × 14/90 × 14 = 98/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
2/84 = 2 × 15/84 × 15 = 30/1260 - Add the two like fractions:
98/1260 + 30/1260 = 98 + 30/1260 = 128/1260 - 128/1260 simplified gives 32/315
- So, 7/90 + 2/84 = 32/315
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