Add 21/16 and 40/60
1st number: 1 5/16, 2nd number: 40/60
21/16 + 40/60 is 95/48.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 60 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 16 × 15 = 240,
21/16 = 21 × 15/16 × 15 = 315/240 - Likewise, for the 2nd fraction, since 60 × 4 = 240,
40/60 = 40 × 4/60 × 4 = 160/240 - Add the two like fractions:
315/240 + 160/240 = 315 + 160/240 = 475/240 - 475/240 simplified gives 95/48
- So, 21/16 + 40/60 = 95/48
In mixed form: 147/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/16+40/60 21/16+80/60 21/32+40/60 63/16+40/60 21/48+40/60 21/80+40/60