Add 21/60 and 49/40
1st number: 21/60, 2nd number: 1 9/40
21/60 + 49/40 is 63/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 60 × 2 = 120,
21/60 = 21 × 2/60 × 2 = 42/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
49/40 = 49 × 3/40 × 3 = 147/120 - Add the two like fractions:
42/120 + 147/120 = 42 + 147/120 = 189/120 - 189/120 simplified gives 63/40
- So, 21/60 + 49/40 = 63/40
In mixed form: 123/40
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