Add 60/8 and 90/42
1st number: 7 4/8, 2nd number: 2 6/42
60/8 + 90/42 is 135/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 42 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 8 × 21 = 168,
60/8 = 60 × 21/8 × 21 = 1260/168 - Likewise, for the 2nd fraction, since 42 × 4 = 168,
90/42 = 90 × 4/42 × 4 = 360/168 - Add the two like fractions:
1260/168 + 360/168 = 1260 + 360/168 = 1620/168 - 1620/168 simplified gives 135/14
- So, 60/8 + 90/42 = 135/14
In mixed form: 99/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/16+90/42 60/8+90/84 60/24+90/42 60/40+90/42 60/56+90/42