Add 14/90 and 2/21
14/90 + 2/21 is 79/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 21 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
14/90 = 14 × 7/90 × 7 = 98/630 - Likewise, for the 2nd fraction, since 21 × 30 = 630,
2/21 = 2 × 30/21 × 30 = 60/630 - Add the two like fractions:
98/630 + 60/630 = 98 + 60/630 = 158/630 - 158/630 simplified gives 79/315
- So, 14/90 + 2/21 = 79/315
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