Add 7/60 and 21/98
7/60 + 21/98 is 139/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 98 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 60 × 49 = 2940,
7/60 = 7 × 49/60 × 49 = 343/2940 - Likewise, for the 2nd fraction, since 98 × 30 = 2940,
21/98 = 21 × 30/98 × 30 = 630/2940 - Add the two like fractions:
343/2940 + 630/2940 = 343 + 630/2940 = 973/2940 - 973/2940 simplified gives 139/420
- So, 7/60 + 21/98 = 139/420
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