Add 7/60 and 18/63
7/60 + 18/63 is 169/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 60 × 21 = 1260,
7/60 = 7 × 21/60 × 21 = 147/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
18/63 = 18 × 20/63 × 20 = 360/1260 - Add the two like fractions:
147/1260 + 360/1260 = 147 + 360/1260 = 507/1260 - 507/1260 simplified gives 169/420
- So, 7/60 + 18/63 = 169/420
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/60+18/63 7/60+36/63 21/60+18/63 7/60+54/63 35/60+18/63 7/60+90/63 49/60+18/63