Add 48/42 and 75/40
1st number: 1 6/42, 2nd number: 1 35/40
48/42 + 75/40 is 169/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 40 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 42 × 20 = 840,
48/42 = 48 × 20/42 × 20 = 960/840 - Likewise, for the 2nd fraction, since 40 × 21 = 840,
75/40 = 75 × 21/40 × 21 = 1575/840 - Add the two like fractions:
960/840 + 1575/840 = 960 + 1575/840 = 2535/840 - 2535/840 simplified gives 169/56
- So, 48/42 + 75/40 = 169/56
In mixed form: 31/56
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 96/42+75/40 48/84+75/40 48/42+75/80