Add 90/14 and 21/49
1st number: 6 6/14, 2nd number: 21/49
90/14 + 21/49 is 48/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 49 is 98
Next, find the equivalent fraction of both fractional numbers with denominator 98 - For the 1st fraction, since 14 × 7 = 98,
90/14 = 90 × 7/14 × 7 = 630/98 - Likewise, for the 2nd fraction, since 49 × 2 = 98,
21/49 = 21 × 2/49 × 2 = 42/98 - Add the two like fractions:
630/98 + 42/98 = 630 + 42/98 = 672/98 - 672/98 simplified gives 48/7
- So, 90/14 + 21/49 = 48/7
In mixed form: 66/7
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