Add 42/45 and 25/4
1st number: 42/45, 2nd number: 6 1/4
42/45 + 25/4 is 431/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 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 4 × 45 = 180,
25/4 = 25 × 45/4 × 45 = 1125/180 - Add the two like fractions:
168/180 + 1125/180 = 168 + 1125/180 = 1293/180 - 1293/180 simplified gives 431/60
- So, 42/45 + 25/4 = 431/60
In mixed form: 711/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45+25/4 42/45+50/4 42/90+25/4 42/45+25/8 42/45+75/4 42/45+25/12 42/45+25/20 42/45+25/28