Add 18/60 and 21/49
18/60 + 21/49 is 51/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 49 is 2940
Next, find the equivalent fraction of both fractional numbers with denominator 2940 - For the 1st fraction, since 60 × 49 = 2940,
18/60 = 18 × 49/60 × 49 = 882/2940 - Likewise, for the 2nd fraction, since 49 × 60 = 2940,
21/49 = 21 × 60/49 × 60 = 1260/2940 - Add the two like fractions:
882/2940 + 1260/2940 = 882 + 1260/2940 = 2142/2940 - 2142/2940 simplified gives 51/70
- So, 18/60 + 21/49 = 51/70
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