Add 42/45 and 7/60
42/45 + 7/60 is 21/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 60 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
42/45 = 42 × 4/45 × 4 = 168/180 - Likewise, for the 2nd fraction, since 60 × 3 = 180,
7/60 = 7 × 3/60 × 3 = 21/180 - Add the two like fractions:
168/180 + 21/180 = 168 + 21/180 = 189/180 - 189/180 simplified gives 21/20
- So, 42/45 + 7/60 = 21/20
In mixed form: 11/20
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